Home / 928,212.17-1,281,063.64-514,840.89

Finding the Fourth Proportional to 928,212.17, 1,281,063.64 and 514,840.89

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Solution

The fourth proportional to 928,212.17, 1,281,063.64 and 514,840.89 is: 710,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,212.17 : 1,281,063.64 = 514,840.89 : x
  2. Step 2: Convert to fraction form
    928,212.17/1,281,063.64 = 514,840.89/x
  3. Step 3: Cross multiply
    928,212.17x = 1,281,063.64 × 514,840.89
  4. Step 4: Simplify right side
    928,212.17x = 659,543,950,289.19
  5. Step 5: Solve for x
    x = 659,543,950,289.19/928,212.17
  6. Step 6: Final answer
    x = 710,553.01

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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.