Home / 923,048.20-1,384,714.86-390,572.20

Finding the Fourth Proportional to 923,048.20, 1,384,714.86 and 390,572.20

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Solution

The fourth proportional to 923,048.20, 1,384,714.86 and 390,572.20 is: 585,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,048.20 : 1,384,714.86 = 390,572.20 : x
  2. Step 2: Convert to fraction form
    923,048.20/1,384,714.86 = 390,572.20/x
  3. Step 3: Cross multiply
    923,048.20x = 1,384,714.86 × 390,572.20
  4. Step 4: Simplify right side
    923,048.20x = 540,831,129,242.89
  5. Step 5: Solve for x
    x = 540,831,129,242.89/923,048.20
  6. Step 6: Final answer
    x = 585,918.62

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Half scale
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Double scale
Find fourth proportional to 923,049.20, 1,384,716.36 and 390,573.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.