Home / 738,264.60-1,105,064.10-579,634.20

Finding the Fourth Proportional to 738,264.60, 1,105,064.10 and 579,634.20

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Solution

The fourth proportional to 738,264.60, 1,105,064.10 and 579,634.20 is: 867,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,264.60 : 1,105,064.10 = 579,634.20 : x
  2. Step 2: Convert to fraction form
    738,264.60/1,105,064.10 = 579,634.20/x
  3. Step 3: Cross multiply
    738,264.60x = 1,105,064.10 × 579,634.20
  4. Step 4: Simplify right side
    738,264.60x = 640,532,945,552.22
  5. Step 5: Solve for x
    x = 640,532,945,552.22/738,264.60
  6. Step 6: Final answer
    x = 867,619.75

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Double scale
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1.5x scale

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.