Home / 676,041.59-932,937.55-370,137.40

Finding the Fourth Proportional to 676,041.59, 932,937.55 and 370,137.40

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Solution

The fourth proportional to 676,041.59, 932,937.55 and 370,137.40 is: 510,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,041.59 : 932,937.55 = 370,137.40 : x
  2. Step 2: Convert to fraction form
    676,041.59/932,937.55 = 370,137.40/x
  3. Step 3: Cross multiply
    676,041.59x = 932,937.55 × 370,137.40
  4. Step 4: Simplify right side
    676,041.59x = 345,315,075,861.68
  5. Step 5: Solve for x
    x = 345,315,075,861.68/676,041.59
  6. Step 6: Final answer
    x = 510,789.69

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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.