Home / 840,445.88-1,159,818.75-458,480.66

Finding the Fourth Proportional to 840,445.88, 1,159,818.75 and 458,480.66

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Solution

The fourth proportional to 840,445.88, 1,159,818.75 and 458,480.66 is: 632,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,445.88 : 1,159,818.75 = 458,480.66 : x
  2. Step 2: Convert to fraction form
    840,445.88/1,159,818.75 = 458,480.66/x
  3. Step 3: Cross multiply
    840,445.88x = 1,159,818.75 × 458,480.66
  4. Step 4: Simplify right side
    840,445.88x = 531,754,460,181.28
  5. Step 5: Solve for x
    x = 531,754,460,181.28/840,445.88
  6. Step 6: Final answer
    x = 632,705.18

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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.