Home / 761,217.12-1,050,591.51-438,864.21

Finding the Fourth Proportional to 761,217.12, 1,050,591.51 and 438,864.21

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Solution

The fourth proportional to 761,217.12, 1,050,591.51 and 438,864.21 is: 605,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,217.12 : 1,050,591.51 = 438,864.21 : x
  2. Step 2: Convert to fraction form
    761,217.12/1,050,591.51 = 438,864.21/x
  3. Step 3: Cross multiply
    761,217.12x = 1,050,591.51 × 438,864.21
  4. Step 4: Simplify right side
    761,217.12x = 461,067,013,068.86
  5. Step 5: Solve for x
    x = 461,067,013,068.86/761,217.12
  6. Step 6: Final answer
    x = 605,697.11

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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.