Home / 714,693.73-1,072,064.28-359,514.21

Finding the Fourth Proportional to 714,693.73, 1,072,064.28 and 359,514.21

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Solution

The fourth proportional to 714,693.73, 1,072,064.28 and 359,514.21 is: 539,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,693.73 : 1,072,064.28 = 359,514.21 : x
  2. Step 2: Convert to fraction form
    714,693.73/1,072,064.28 = 359,514.21/x
  3. Step 3: Cross multiply
    714,693.73x = 1,072,064.28 × 359,514.21
  4. Step 4: Simplify right side
    714,693.73x = 385,422,340,895.85
  5. Step 5: Solve for x
    x = 385,422,340,895.85/714,693.73
  6. Step 6: Final answer
    x = 539,283.23

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Double scale
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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.