Home / 776,287.54-1,071,061.68-466,109.56

Finding the Fourth Proportional to 776,287.54, 1,071,061.68 and 466,109.56

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Solution

The fourth proportional to 776,287.54, 1,071,061.68 and 466,109.56 is: 643,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,287.54 : 1,071,061.68 = 466,109.56 : x
  2. Step 2: Convert to fraction form
    776,287.54/1,071,061.68 = 466,109.56/x
  3. Step 3: Cross multiply
    776,287.54x = 1,071,061.68 × 466,109.56
  4. Step 4: Simplify right side
    776,287.54x = 499,232,088,397.66
  5. Step 5: Solve for x
    x = 499,232,088,397.66/776,287.54
  6. Step 6: Final answer
    x = 643,102.02

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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.