Home / 758,152.80-1,046,230.72-418,613.76

Finding the Fourth Proportional to 758,152.80, 1,046,230.72 and 418,613.76

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Solution

The fourth proportional to 758,152.80, 1,046,230.72 and 418,613.76 is: 577,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,152.80 : 1,046,230.72 = 418,613.76 : x
  2. Step 2: Convert to fraction form
    758,152.80/1,046,230.72 = 418,613.76/x
  3. Step 3: Cross multiply
    758,152.80x = 1,046,230.72 × 418,613.76
  4. Step 4: Simplify right side
    758,152.80x = 437,966,575,526.71
  5. Step 5: Solve for x
    x = 437,966,575,526.71/758,152.80
  6. Step 6: Final answer
    x = 577,675.87

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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.