Home / 671,443.60-1,007,165.40-519,228.40

Finding the Fourth Proportional to 671,443.60, 1,007,165.40 and 519,228.40

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Solution

The fourth proportional to 671,443.60, 1,007,165.40 and 519,228.40 is: 778,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,443.60 : 1,007,165.40 = 519,228.40 : x
  2. Step 2: Convert to fraction form
    671,443.60/1,007,165.40 = 519,228.40/x
  3. Step 3: Cross multiply
    671,443.60x = 1,007,165.40 × 519,228.40
  4. Step 4: Simplify right side
    671,443.60x = 522,948,879,177.36
  5. Step 5: Solve for x
    x = 522,948,879,177.36/671,443.60
  6. Step 6: Final answer
    x = 778,842.60

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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.