Home / 1,031,384.32-1,423,158.62-572,502.40

Finding the Fourth Proportional to 1,031,384.32, 1,423,158.62 and 572,502.40

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Solution

The fourth proportional to 1,031,384.32, 1,423,158.62 and 572,502.40 is: 789,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,384.32 : 1,423,158.62 = 572,502.40 : x
  2. Step 2: Convert to fraction form
    1,031,384.32/1,423,158.62 = 572,502.40/x
  3. Step 3: Cross multiply
    1,031,384.32x = 1,423,158.62 × 572,502.40
  4. Step 4: Simplify right side
    1,031,384.32x = 814,761,719,110.28
  5. Step 5: Solve for x
    x = 814,761,719,110.28/1,031,384.32
  6. Step 6: Final answer
    x = 789,969.08

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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.