Home / 975,561.65-1,345,380.55-837,693.68

Finding the Fourth Proportional to 975,561.65, 1,345,380.55 and 837,693.68

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Solution

The fourth proportional to 975,561.65, 1,345,380.55 and 837,693.68 is: 1,155,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,561.65 : 1,345,380.55 = 837,693.68 : x
  2. Step 2: Convert to fraction form
    975,561.65/1,345,380.55 = 837,693.68/x
  3. Step 3: Cross multiply
    975,561.65x = 1,345,380.55 × 837,693.68
  4. Step 4: Simplify right side
    975,561.65x = 1,127,016,781,016.57
  5. Step 5: Solve for x
    x = 1,127,016,781,016.57/975,561.65
  6. Step 6: Final answer
    x = 1,155,249.17

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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.