Home / 1,009,326.96-1,513,931.04-378,187.92

Finding the Fourth Proportional to 1,009,326.96, 1,513,931.04 and 378,187.92

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Solution

The fourth proportional to 1,009,326.96, 1,513,931.04 and 378,187.92 is: 567,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,326.96 : 1,513,931.04 = 378,187.92 : x
  2. Step 2: Convert to fraction form
    1,009,326.96/1,513,931.04 = 378,187.92/x
  3. Step 3: Cross multiply
    1,009,326.96x = 1,513,931.04 × 378,187.92
  4. Step 4: Simplify right side
    1,009,326.96x = 572,550,431,041.04
  5. Step 5: Solve for x
    x = 572,550,431,041.04/1,009,326.96
  6. Step 6: Final answer
    x = 567,259.62

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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.