Home / 1,074,542.10-1,609,969.95-512,366.10

Finding the Fourth Proportional to 1,074,542.10, 1,609,969.95 and 512,366.10

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Solution

The fourth proportional to 1,074,542.10, 1,609,969.95 and 512,366.10 is: 767,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,542.10 : 1,609,969.95 = 512,366.10 : x
  2. Step 2: Convert to fraction form
    1,074,542.10/1,609,969.95 = 512,366.10/x
  3. Step 3: Cross multiply
    1,074,542.10x = 1,609,969.95 × 512,366.10
  4. Step 4: Simplify right side
    1,074,542.10x = 824,894,024,398.70
  5. Step 5: Solve for x
    x = 824,894,024,398.70/1,074,542.10
  6. Step 6: Final answer
    x = 767,670.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.