Home / 912,822.30-1,369,233.45-534,908.70

Finding the Fourth Proportional to 912,822.30, 1,369,233.45 and 534,908.70

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Solution

The fourth proportional to 912,822.30, 1,369,233.45 and 534,908.70 is: 802,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,822.30 : 1,369,233.45 = 534,908.70 : x
  2. Step 2: Convert to fraction form
    912,822.30/1,369,233.45 = 534,908.70/x
  3. Step 3: Cross multiply
    912,822.30x = 1,369,233.45 × 534,908.70
  4. Step 4: Simplify right side
    912,822.30x = 732,414,884,736.02
  5. Step 5: Solve for x
    x = 732,414,884,736.02/912,822.30
  6. Step 6: Final answer
    x = 802,363.05

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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.