Home / 749,619.80-1,034,483.48-410,080.76

Finding the Fourth Proportional to 749,619.80, 1,034,483.48 and 410,080.76

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Solution

The fourth proportional to 749,619.80, 1,034,483.48 and 410,080.76 is: 565,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,619.80 : 1,034,483.48 = 410,080.76 : x
  2. Step 2: Convert to fraction form
    749,619.80/1,034,483.48 = 410,080.76/x
  3. Step 3: Cross multiply
    749,619.80x = 1,034,483.48 × 410,080.76
  4. Step 4: Simplify right side
    749,619.80x = 424,221,771,685.85
  5. Step 5: Solve for x
    x = 424,221,771,685.85/749,619.80
  6. Step 6: Final answer
    x = 565,915.91

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Double scale
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Similar ratio
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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.