Home / 1,277,140.40-1,916,585.40-708,520.40

Finding the Fourth Proportional to 1,277,140.40, 1,916,585.40 and 708,520.40

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Solution

The fourth proportional to 1,277,140.40, 1,916,585.40 and 708,520.40 is: 1,063,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,140.40 : 1,916,585.40 = 708,520.40 : x
  2. Step 2: Convert to fraction form
    1,277,140.40/1,916,585.40 = 708,520.40/x
  3. Step 3: Cross multiply
    1,277,140.40x = 1,916,585.40 × 708,520.40
  4. Step 4: Simplify right side
    1,277,140.40x = 1,357,939,854,242.16
  5. Step 5: Solve for x
    x = 1,357,939,854,242.16/1,277,140.40
  6. Step 6: Final answer
    x = 1,063,265.91

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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.