Home / 718,541.85-991,341.18-460,627.11

Finding the Fourth Proportional to 718,541.85, 991,341.18 and 460,627.11

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Solution

The fourth proportional to 718,541.85, 991,341.18 and 460,627.11 is: 635,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,541.85 : 991,341.18 = 460,627.11 : x
  2. Step 2: Convert to fraction form
    718,541.85/991,341.18 = 460,627.11/x
  3. Step 3: Cross multiply
    718,541.85x = 991,341.18 × 460,627.11
  4. Step 4: Simplify right side
    718,541.85x = 456,638,622,767.39
  5. Step 5: Solve for x
    x = 456,638,622,767.39/718,541.85
  6. Step 6: Final answer
    x = 635,507.34

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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.