Home / 739,776.11-1,020,891.44-513,552.83

Finding the Fourth Proportional to 739,776.11, 1,020,891.44 and 513,552.83

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Solution

The fourth proportional to 739,776.11, 1,020,891.44 and 513,552.83 is: 708,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,776.11 : 1,020,891.44 = 513,552.83 : x
  2. Step 2: Convert to fraction form
    739,776.11/1,020,891.44 = 513,552.83/x
  3. Step 3: Cross multiply
    739,776.11x = 1,020,891.44 × 513,552.83
  4. Step 4: Simplify right side
    739,776.11x = 524,281,685,567.01
  5. Step 5: Solve for x
    x = 524,281,685,567.01/739,776.11
  6. Step 6: Final answer
    x = 708,703.19

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Double scale
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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.