Home / 875,248.10-1,312,094.55-519,884.90

Finding the Fourth Proportional to 875,248.10, 1,312,094.55 and 519,884.90

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Solution

The fourth proportional to 875,248.10, 1,312,094.55 and 519,884.90 is: 779,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,248.10 : 1,312,094.55 = 519,884.90 : x
  2. Step 2: Convert to fraction form
    875,248.10/1,312,094.55 = 519,884.90/x
  3. Step 3: Cross multiply
    875,248.10x = 1,312,094.55 × 519,884.90
  4. Step 4: Simplify right side
    875,248.10x = 682,138,143,917.30
  5. Step 5: Solve for x
    x = 682,138,143,917.30/875,248.10
  6. Step 6: Final answer
    x = 779,365.47

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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.