Home / 914,171.28-1,261,561.80-506,285.52

Finding the Fourth Proportional to 914,171.28, 1,261,561.80 and 506,285.52

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Solution

The fourth proportional to 914,171.28, 1,261,561.80 and 506,285.52 is: 698,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,171.28 : 1,261,561.80 = 506,285.52 : x
  2. Step 2: Convert to fraction form
    914,171.28/1,261,561.80 = 506,285.52/x
  3. Step 3: Cross multiply
    914,171.28x = 1,261,561.80 × 506,285.52
  4. Step 4: Simplify right side
    914,171.28x = 638,710,471,925.14
  5. Step 5: Solve for x
    x = 638,710,471,925.14/914,171.28
  6. Step 6: Final answer
    x = 698,677.03

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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.