Home / 719,360.17-992,717.09-397,070.35

Finding the Fourth Proportional to 719,360.17, 992,717.09 and 397,070.35

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Solution

The fourth proportional to 719,360.17, 992,717.09 and 397,070.35 is: 547,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,360.17 : 992,717.09 = 397,070.35 : x
  2. Step 2: Convert to fraction form
    719,360.17/992,717.09 = 397,070.35/x
  3. Step 3: Cross multiply
    719,360.17x = 992,717.09 × 397,070.35
  4. Step 4: Simplify right side
    719,360.17x = 394,178,522,377.28
  5. Step 5: Solve for x
    x = 394,178,522,377.28/719,360.17
  6. Step 6: Final answer
    x = 547,957.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.