Home / 1,411,045.41-1,947,278.87-766,502.49

Finding the Fourth Proportional to 1,411,045.41, 1,947,278.87 and 766,502.49

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Solution

The fourth proportional to 1,411,045.41, 1,947,278.87 and 766,502.49 is: 1,057,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,045.41 : 1,947,278.87 = 766,502.49 : x
  2. Step 2: Convert to fraction form
    1,411,045.41/1,947,278.87 = 766,502.49/x
  3. Step 3: Cross multiply
    1,411,045.41x = 1,947,278.87 × 766,502.49
  4. Step 4: Simplify right side
    1,411,045.41x = 1,492,594,098,746.87
  5. Step 5: Solve for x
    x = 1,492,594,098,746.87/1,411,045.41
  6. Step 6: Final answer
    x = 1,057,793.10

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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.