Home / 1,411,140.32-1,947,387.48-766,565.72

Finding the Fourth Proportional to 1,411,140.32, 1,947,387.48 and 766,565.72

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Solution

The fourth proportional to 1,411,140.32, 1,947,387.48 and 766,565.72 is: 1,057,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,140.32 : 1,947,387.48 = 766,565.72 : x
  2. Step 2: Convert to fraction form
    1,411,140.32/1,947,387.48 = 766,565.72/x
  3. Step 3: Cross multiply
    1,411,140.32x = 1,947,387.48 × 766,565.72
  4. Step 4: Simplify right side
    1,411,140.32x = 1,492,800,485,725.19
  5. Step 5: Solve for x
    x = 1,492,800,485,725.19/1,411,140.32
  6. Step 6: Final answer
    x = 1,057,868.21

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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.