Home / 1,209,032.88-1,813,769.64-498,666.48

Finding the Fourth Proportional to 1,209,032.88, 1,813,769.64 and 498,666.48

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Solution

The fourth proportional to 1,209,032.88, 1,813,769.64 and 498,666.48 is: 748,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,032.88 : 1,813,769.64 = 498,666.48 : x
  2. Step 2: Convert to fraction form
    1,209,032.88/1,813,769.64 = 498,666.48/x
  3. Step 3: Cross multiply
    1,209,032.88x = 1,813,769.64 × 498,666.48
  4. Step 4: Simplify right side
    1,209,032.88x = 904,466,121,909.67
  5. Step 5: Solve for x
    x = 904,466,121,909.67/1,209,032.88
  6. Step 6: Final answer
    x = 748,090.59

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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.