Home / 749,618.80-1,034,482.10-410,079.76

Finding the Fourth Proportional to 749,618.80, 1,034,482.10 and 410,079.76

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Solution

The fourth proportional to 749,618.80, 1,034,482.10 and 410,079.76 is: 565,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,618.80 : 1,034,482.10 = 410,079.76 : x
  2. Step 2: Convert to fraction form
    749,618.80/1,034,482.10 = 410,079.76/x
  3. Step 3: Cross multiply
    749,618.80x = 1,034,482.10 × 410,079.76
  4. Step 4: Simplify right side
    749,618.80x = 424,220,171,292.30
  5. Step 5: Solve for x
    x = 424,220,171,292.30/749,618.80
  6. Step 6: Final answer
    x = 565,914.53

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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.