Home / 1,005,348.48-1,387,382.40-552,642.24

Finding the Fourth Proportional to 1,005,348.48, 1,387,382.40 and 552,642.24

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Solution

The fourth proportional to 1,005,348.48, 1,387,382.40 and 552,642.24 is: 762,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,348.48 : 1,387,382.40 = 552,642.24 : x
  2. Step 2: Convert to fraction form
    1,005,348.48/1,387,382.40 = 552,642.24/x
  3. Step 3: Cross multiply
    1,005,348.48x = 1,387,382.40 × 552,642.24
  4. Step 4: Simplify right side
    1,005,348.48x = 766,726,117,272.58
  5. Step 5: Solve for x
    x = 766,726,117,272.58/1,005,348.48
  6. Step 6: Final answer
    x = 762,647.11

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1.5x scale

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.