Home / 1,299,117.59-1,948,551.14-400,318.00

Finding the Fourth Proportional to 1,299,117.59, 1,948,551.14 and 400,318.00

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Solution

The fourth proportional to 1,299,117.59, 1,948,551.14 and 400,318.00 is: 600,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,117.59 : 1,948,551.14 = 400,318.00 : x
  2. Step 2: Convert to fraction form
    1,299,117.59/1,948,551.14 = 400,318.00/x
  3. Step 3: Cross multiply
    1,299,117.59x = 1,948,551.14 × 400,318.00
  4. Step 4: Simplify right side
    1,299,117.59x = 780,040,088,389.55
  5. Step 5: Solve for x
    x = 780,040,088,389.55/1,299,117.59
  6. Step 6: Final answer
    x = 600,438.40

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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.