Home / 1,296,530.10-1,943,045.55-922,115.70

Finding the Fourth Proportional to 1,296,530.10, 1,943,045.55 and 922,115.70

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Solution

The fourth proportional to 1,296,530.10, 1,943,045.55 and 922,115.70 is: 1,381,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,530.10 : 1,943,045.55 = 922,115.70 : x
  2. Step 2: Convert to fraction form
    1,296,530.10/1,943,045.55 = 922,115.70/x
  3. Step 3: Cross multiply
    1,296,530.10x = 1,943,045.55 × 922,115.70
  4. Step 4: Simplify right side
    1,296,530.10x = 1,791,712,807,470.14
  5. Step 5: Solve for x
    x = 1,791,712,807,470.14/1,296,530.10
  6. Step 6: Final answer
    x = 1,381,929.20

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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.