Home / 930,009.39-1,283,369.22-516,572.97

Finding the Fourth Proportional to 930,009.39, 1,283,369.22 and 516,572.97

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Solution

The fourth proportional to 930,009.39, 1,283,369.22 and 516,572.97 is: 712,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,009.39 : 1,283,369.22 = 516,572.97 : x
  2. Step 2: Convert to fraction form
    930,009.39/1,283,369.22 = 516,572.97/x
  3. Step 3: Cross multiply
    930,009.39x = 1,283,369.22 × 516,572.97
  4. Step 4: Simplify right side
    930,009.39x = 662,953,849,581.98
  5. Step 5: Solve for x
    x = 662,953,849,581.98/930,009.39
  6. Step 6: Final answer
    x = 712,846.40

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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.