Home / 761,829.87-1,050,766.50-547,190.40

Finding the Fourth Proportional to 761,829.87, 1,050,766.50 and 547,190.40

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Solution

The fourth proportional to 761,829.87, 1,050,766.50 and 547,190.40 is: 754,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,829.87 : 1,050,766.50 = 547,190.40 : x
  2. Step 2: Convert to fraction form
    761,829.87/1,050,766.50 = 547,190.40/x
  3. Step 3: Cross multiply
    761,829.87x = 1,050,766.50 × 547,190.40
  4. Step 4: Simplify right side
    761,829.87x = 574,969,341,441.60
  5. Step 5: Solve for x
    x = 574,969,341,441.60/761,829.87
  6. Step 6: Final answer
    x = 754,721.45

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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.