Home / 730,904.10-1,096,356.15-257,637.30

Finding the Fourth Proportional to 730,904.10, 1,096,356.15 and 257,637.30

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Solution

The fourth proportional to 730,904.10, 1,096,356.15 and 257,637.30 is: 386,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,904.10 : 1,096,356.15 = 257,637.30 : x
  2. Step 2: Convert to fraction form
    730,904.10/1,096,356.15 = 257,637.30/x
  3. Step 3: Cross multiply
    730,904.10x = 1,096,356.15 × 257,637.30
  4. Step 4: Simplify right side
    730,904.10x = 282,462,238,324.40
  5. Step 5: Solve for x
    x = 282,462,238,324.40/730,904.10
  6. Step 6: Final answer
    x = 386,455.95

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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.