Home / 588,890.12-812,461.40-385,060.35

Finding the Fourth Proportional to 588,890.12, 812,461.40 and 385,060.35

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Solution

The fourth proportional to 588,890.12, 812,461.40 and 385,060.35 is: 531,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,890.12 : 812,461.40 = 385,060.35 : x
  2. Step 2: Convert to fraction form
    588,890.12/812,461.40 = 385,060.35/x
  3. Step 3: Cross multiply
    588,890.12x = 812,461.40 × 385,060.35
  4. Step 4: Simplify right side
    588,890.12x = 312,846,671,206.76
  5. Step 5: Solve for x
    x = 312,846,671,206.76/588,890.12
  6. Step 6: Final answer
    x = 531,247.96

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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.