Home / 835,376.08-1,152,809.40-453,403.12

Finding the Fourth Proportional to 835,376.08, 1,152,809.40 and 453,403.12

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Solution

The fourth proportional to 835,376.08, 1,152,809.40 and 453,403.12 is: 625,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,376.08 : 1,152,809.40 = 453,403.12 : x
  2. Step 2: Convert to fraction form
    835,376.08/1,152,809.40 = 453,403.12/x
  3. Step 3: Cross multiply
    835,376.08x = 1,152,809.40 × 453,403.12
  4. Step 4: Simplify right side
    835,376.08x = 522,687,378,725.33
  5. Step 5: Solve for x
    x = 522,687,378,725.33/835,376.08
  6. Step 6: Final answer
    x = 625,691.10

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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.