Home / 314,338.04-471,507.45-77,677.10

Finding the Fourth Proportional to 314,338.04, 471,507.45 and 77,677.10

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Solution

The fourth proportional to 314,338.04, 471,507.45 and 77,677.10 is: 116,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,338.04 : 471,507.45 = 77,677.10 : x
  2. Step 2: Convert to fraction form
    314,338.04/471,507.45 = 77,677.10/x
  3. Step 3: Cross multiply
    314,338.04x = 471,507.45 × 77,677.10
  4. Step 4: Simplify right side
    314,338.04x = 36,625,331,344.40
  5. Step 5: Solve for x
    x = 36,625,331,344.40/314,338.04
  6. Step 6: Final answer
    x = 116,515.75

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1.5x scale

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.