Home / 558,574.86-770,890.10-329,206.05

Finding the Fourth Proportional to 558,574.86, 770,890.10 and 329,206.05

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Solution

The fourth proportional to 558,574.86, 770,890.10 and 329,206.05 is: 454,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,574.86 : 770,890.10 = 329,206.05 : x
  2. Step 2: Convert to fraction form
    558,574.86/770,890.10 = 329,206.05/x
  3. Step 3: Cross multiply
    558,574.86x = 770,890.10 × 329,206.05
  4. Step 4: Simplify right side
    558,574.86x = 253,781,683,159.08
  5. Step 5: Solve for x
    x = 253,781,683,159.08/558,574.86
  6. Step 6: Final answer
    x = 454,337.82

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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.