Home / 657,926.16-986,690.58-342,210.84

Finding the Fourth Proportional to 657,926.16, 986,690.58 and 342,210.84

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Solution

The fourth proportional to 657,926.16, 986,690.58 and 342,210.84 is: 513,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,926.16 : 986,690.58 = 342,210.84 : x
  2. Step 2: Convert to fraction form
    657,926.16/986,690.58 = 342,210.84/x
  3. Step 3: Cross multiply
    657,926.16x = 986,690.58 × 342,210.84
  4. Step 4: Simplify right side
    657,926.16x = 337,656,212,201.89
  5. Step 5: Solve for x
    x = 337,656,212,201.89/657,926.16
  6. Step 6: Final answer
    x = 513,212.93

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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.