Home / 746,434-1,030,446.66-517,165.12

Finding the Fourth Proportional to 746,434, 1,030,446.66 and 517,165.12

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Solution

The fourth proportional to 746,434, 1,030,446.66 and 517,165.12 is: 713,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,434 : 1,030,446.66 = 517,165.12 : x
  2. Step 2: Convert to fraction form
    746,434/1,030,446.66 = 517,165.12/x
  3. Step 3: Cross multiply
    746,434x = 1,030,446.66 × 517,165.12
  4. Step 4: Simplify right side
    746,434x = 532,911,070,572.50
  5. Step 5: Solve for x
    x = 532,911,070,572.50/746,434
  6. Step 6: Final answer
    x = 713,942.65

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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.