Home / 692,154.30-1,038,231.45-186,714.30

Finding the Fourth Proportional to 692,154.30, 1,038,231.45 and 186,714.30

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Solution

The fourth proportional to 692,154.30, 1,038,231.45 and 186,714.30 is: 280,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,154.30 : 1,038,231.45 = 186,714.30 : x
  2. Step 2: Convert to fraction form
    692,154.30/1,038,231.45 = 186,714.30/x
  3. Step 3: Cross multiply
    692,154.30x = 1,038,231.45 × 186,714.30
  4. Step 4: Simplify right side
    692,154.30x = 193,852,658,424.74
  5. Step 5: Solve for x
    x = 193,852,658,424.74/692,154.30
  6. Step 6: Final answer
    x = 280,071.45

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Double scale
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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.