Home / 513,036.38-769,565.51-176,075.57

Finding the Fourth Proportional to 513,036.38, 769,565.51 and 176,075.57

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Solution

The fourth proportional to 513,036.38, 769,565.51 and 176,075.57 is: 264,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,036.38 : 769,565.51 = 176,075.57 : x
  2. Step 2: Convert to fraction form
    513,036.38/769,565.51 = 176,075.57/x
  3. Step 3: Cross multiply
    513,036.38x = 769,565.51 × 176,075.57
  4. Step 4: Simplify right side
    513,036.38x = 135,501,681,097.39
  5. Step 5: Solve for x
    x = 135,501,681,097.39/513,036.38
  6. Step 6: Final answer
    x = 264,117.10

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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.