Home / 810,764.16-1,118,965.76-466,593.12

Finding the Fourth Proportional to 810,764.16, 1,118,965.76 and 466,593.12

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Solution

The fourth proportional to 810,764.16, 1,118,965.76 and 466,593.12 is: 643,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,764.16 : 1,118,965.76 = 466,593.12 : x
  2. Step 2: Convert to fraction form
    810,764.16/1,118,965.76 = 466,593.12/x
  3. Step 3: Cross multiply
    810,764.16x = 1,118,965.76 × 466,593.12
  4. Step 4: Simplify right side
    810,764.16x = 522,101,725,131.57
  5. Step 5: Solve for x
    x = 522,101,725,131.57/810,764.16
  6. Step 6: Final answer
    x = 643,962.51

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Double scale
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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.