Home / 874,776.40-1,312,164.06-675,387.88

Finding the Fourth Proportional to 874,776.40, 1,312,164.06 and 675,387.88

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Solution

The fourth proportional to 874,776.40, 1,312,164.06 and 675,387.88 is: 1,013,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,776.40 : 1,312,164.06 = 675,387.88 : x
  2. Step 2: Convert to fraction form
    874,776.40/1,312,164.06 = 675,387.88/x
  3. Step 3: Cross multiply
    874,776.40x = 1,312,164.06 × 675,387.88
  4. Step 4: Simplify right side
    874,776.40x = 886,219,702,695.59
  5. Step 5: Solve for x
    x = 886,219,702,695.59/874,776.40
  6. Step 6: Final answer
    x = 1,013,081.40

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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.