Home / 761,830.87-1,050,767.88-547,191.40

Finding the Fourth Proportional to 761,830.87, 1,050,767.88 and 547,191.40

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Solution

The fourth proportional to 761,830.87, 1,050,767.88 and 547,191.40 is: 754,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,830.87 : 1,050,767.88 = 547,191.40 : x
  2. Step 2: Convert to fraction form
    761,830.87/1,050,767.88 = 547,191.40/x
  3. Step 3: Cross multiply
    761,830.87x = 1,050,767.88 × 547,191.40
  4. Step 4: Simplify right side
    761,830.87x = 574,971,147,332.23
  5. Step 5: Solve for x
    x = 574,971,147,332.23/761,830.87
  6. Step 6: Final answer
    x = 754,722.83

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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.