Home / 671,461.60-1,007,192.40-519,246.40

Finding the Fourth Proportional to 671,461.60, 1,007,192.40 and 519,246.40

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Solution

The fourth proportional to 671,461.60, 1,007,192.40 and 519,246.40 is: 778,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,461.60 : 1,007,192.40 = 519,246.40 : x
  2. Step 2: Convert to fraction form
    671,461.60/1,007,192.40 = 519,246.40/x
  3. Step 3: Cross multiply
    671,461.60x = 1,007,192.40 × 519,246.40
  4. Step 4: Simplify right side
    671,461.60x = 522,981,027,807.36
  5. Step 5: Solve for x
    x = 522,981,027,807.36/671,461.60
  6. Step 6: Final answer
    x = 778,869.60

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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.