Home / 761,117.60-1,049,118.12-516,022.94

Finding the Fourth Proportional to 761,117.60, 1,049,118.12 and 516,022.94

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Solution

The fourth proportional to 761,117.60, 1,049,118.12 and 516,022.94 is: 711,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,117.60 : 1,049,118.12 = 516,022.94 : x
  2. Step 2: Convert to fraction form
    761,117.60/1,049,118.12 = 516,022.94/x
  3. Step 3: Cross multiply
    761,117.60x = 1,049,118.12 × 516,022.94
  4. Step 4: Simplify right side
    761,117.60x = 541,369,011,444.08
  5. Step 5: Solve for x
    x = 541,369,011,444.08/761,117.60
  6. Step 6: Final answer
    x = 711,281.69

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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.