Home / 755,000.87-1,041,946.05-432,731.79

Finding the Fourth Proportional to 755,000.87, 1,041,946.05 and 432,731.79

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Solution

The fourth proportional to 755,000.87, 1,041,946.05 and 432,731.79 is: 597,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,000.87 : 1,041,946.05 = 432,731.79 : x
  2. Step 2: Convert to fraction form
    755,000.87/1,041,946.05 = 432,731.79/x
  3. Step 3: Cross multiply
    755,000.87x = 1,041,946.05 × 432,731.79
  4. Step 4: Simplify right side
    755,000.87x = 450,883,178,488.56
  5. Step 5: Solve for x
    x = 450,883,178,488.56/755,000.87
  6. Step 6: Final answer
    x = 597,195.57

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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.