Home / 1,778,943.11-2,454,911.69-963,140.13

Finding the Fourth Proportional to 1,778,943.11, 2,454,911.69 and 963,140.13

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Solution

The fourth proportional to 1,778,943.11, 2,454,911.69 and 963,140.13 is: 1,329,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,943.11 : 2,454,911.69 = 963,140.13 : x
  2. Step 2: Convert to fraction form
    1,778,943.11/2,454,911.69 = 963,140.13/x
  3. Step 3: Cross multiply
    1,778,943.11x = 2,454,911.69 × 963,140.13
  4. Step 4: Simplify right side
    1,778,943.11x = 2,364,423,959,429.42
  5. Step 5: Solve for x
    x = 2,364,423,959,429.42/1,778,943.11
  6. Step 6: Final answer
    x = 1,329,117.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.