Home / 713,456.10-1,069,276.95-292,256.10

Finding the Fourth Proportional to 713,456.10, 1,069,276.95 and 292,256.10

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Solution

The fourth proportional to 713,456.10, 1,069,276.95 and 292,256.10 is: 438,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,456.10 : 1,069,276.95 = 292,256.10 : x
  2. Step 2: Convert to fraction form
    713,456.10/1,069,276.95 = 292,256.10/x
  3. Step 3: Cross multiply
    713,456.10x = 1,069,276.95 × 292,256.10
  4. Step 4: Simplify right side
    713,456.10x = 312,502,711,226.90
  5. Step 5: Solve for x
    x = 312,502,711,226.90/713,456.10
  6. Step 6: Final answer
    x = 438,012.53

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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.