Home / 877,368.38-1,312,253.33-516,679.45

Finding the Fourth Proportional to 877,368.38, 1,312,253.33 and 516,679.45

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Solution

The fourth proportional to 877,368.38, 1,312,253.33 and 516,679.45 is: 772,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,368.38 : 1,312,253.33 = 516,679.45 : x
  2. Step 2: Convert to fraction form
    877,368.38/1,312,253.33 = 516,679.45/x
  3. Step 3: Cross multiply
    877,368.38x = 1,312,253.33 × 516,679.45
  4. Step 4: Simplify right side
    877,368.38x = 678,014,330,991.23
  5. Step 5: Solve for x
    x = 678,014,330,991.23/877,368.38
  6. Step 6: Final answer
    x = 772,781.82

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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.