Home / 1,516,821.39-2,275,543.53-618,266.79

Finding the Fourth Proportional to 1,516,821.39, 2,275,543.53 and 618,266.79

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Solution

The fourth proportional to 1,516,821.39, 2,275,543.53 and 618,266.79 is: 927,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,821.39 : 2,275,543.53 = 618,266.79 : x
  2. Step 2: Convert to fraction form
    1,516,821.39/2,275,543.53 = 618,266.79/x
  3. Step 3: Cross multiply
    1,516,821.39x = 2,275,543.53 × 618,266.79
  4. Step 4: Simplify right side
    1,516,821.39x = 1,406,892,993,798.37
  5. Step 5: Solve for x
    x = 1,406,892,993,798.37/1,516,821.39
  6. Step 6: Final answer
    x = 927,527.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.