Home / 1,539,128.50-2,308,998.96-474,125.14

Finding the Fourth Proportional to 1,539,128.50, 2,308,998.96 and 474,125.14

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Solution

The fourth proportional to 1,539,128.50, 2,308,998.96 and 474,125.14 is: 711,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,128.50 : 2,308,998.96 = 474,125.14 : x
  2. Step 2: Convert to fraction form
    1,539,128.50/2,308,998.96 = 474,125.14/x
  3. Step 3: Cross multiply
    1,539,128.50x = 2,308,998.96 × 474,125.14
  4. Step 4: Simplify right side
    1,539,128.50x = 1,094,754,455,169.85
  5. Step 5: Solve for x
    x = 1,094,754,455,169.85/1,539,128.50
  6. Step 6: Final answer
    x = 711,282.04

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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.