Home / 1,019,543.64-1,406,947.32-554,387.48

Finding the Fourth Proportional to 1,019,543.64, 1,406,947.32 and 554,387.48

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Solution

The fourth proportional to 1,019,543.64, 1,406,947.32 and 554,387.48 is: 765,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,543.64 : 1,406,947.32 = 554,387.48 : x
  2. Step 2: Convert to fraction form
    1,019,543.64/1,406,947.32 = 554,387.48/x
  3. Step 3: Cross multiply
    1,019,543.64x = 1,406,947.32 × 554,387.48
  4. Step 4: Simplify right side
    1,019,543.64x = 779,993,979,227.55
  5. Step 5: Solve for x
    x = 779,993,979,227.55/1,019,543.64
  6. Step 6: Final answer
    x = 765,042.27

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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.