Home / 1,778,909.28-2,454,914.52-963,130.68

Finding the Fourth Proportional to 1,778,909.28, 2,454,914.52 and 963,130.68

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Solution

The fourth proportional to 1,778,909.28, 2,454,914.52 and 963,130.68 is: 1,329,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,909.28 : 2,454,914.52 = 963,130.68 : x
  2. Step 2: Convert to fraction form
    1,778,909.28/2,454,914.52 = 963,130.68/x
  3. Step 3: Cross multiply
    1,778,909.28x = 2,454,914.52 × 963,130.68
  4. Step 4: Simplify right side
    1,778,909.28x = 2,364,403,490,989.47
  5. Step 5: Solve for x
    x = 2,364,403,490,989.47/1,778,909.28
  6. Step 6: Final answer
    x = 1,329,131.01

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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.