Home / 712,053.74-981,458.27-530,699.50

Finding the Fourth Proportional to 712,053.74, 981,458.27 and 530,699.50

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Solution

The fourth proportional to 712,053.74, 981,458.27 and 530,699.50 is: 731,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,053.74 : 981,458.27 = 530,699.50 : x
  2. Step 2: Convert to fraction form
    712,053.74/981,458.27 = 530,699.50/x
  3. Step 3: Cross multiply
    712,053.74x = 981,458.27 × 530,699.50
  4. Step 4: Simplify right side
    712,053.74x = 520,859,408,052.72
  5. Step 5: Solve for x
    x = 520,859,408,052.72/712,053.74
  6. Step 6: Final answer
    x = 731,488.90

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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.