Home / 1,005,563.45-1,387,704.90-546,708.87

Finding the Fourth Proportional to 1,005,563.45, 1,387,704.90 and 546,708.87

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Solution

The fourth proportional to 1,005,563.45, 1,387,704.90 and 546,708.87 is: 754,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,563.45 : 1,387,704.90 = 546,708.87 : x
  2. Step 2: Convert to fraction form
    1,005,563.45/1,387,704.90 = 546,708.87/x
  3. Step 3: Cross multiply
    1,005,563.45x = 1,387,704.90 × 546,708.87
  4. Step 4: Simplify right side
    1,005,563.45x = 758,670,577,772.46
  5. Step 5: Solve for x
    x = 758,670,577,772.46/1,005,563.45
  6. Step 6: Final answer
    x = 754,473.11

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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.