Home / 692,116.60-1,037,057.10-391,703.80

Finding the Fourth Proportional to 692,116.60, 1,037,057.10 and 391,703.80

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Solution

The fourth proportional to 692,116.60, 1,037,057.10 and 391,703.80 is: 586,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,116.60 : 1,037,057.10 = 391,703.80 : x
  2. Step 2: Convert to fraction form
    692,116.60/1,037,057.10 = 391,703.80/x
  3. Step 3: Cross multiply
    692,116.60x = 1,037,057.10 × 391,703.80
  4. Step 4: Simplify right side
    692,116.60x = 406,219,206,886.98
  5. Step 5: Solve for x
    x = 406,219,206,886.98/692,116.60
  6. Step 6: Final answer
    x = 586,923.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.