Home / 696,325.95-961,100.74-424,543.70

Finding the Fourth Proportional to 696,325.95, 961,100.74 and 424,543.70

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Solution

The fourth proportional to 696,325.95, 961,100.74 and 424,543.70 is: 585,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,325.95 : 961,100.74 = 424,543.70 : x
  2. Step 2: Convert to fraction form
    696,325.95/961,100.74 = 424,543.70/x
  3. Step 3: Cross multiply
    696,325.95x = 961,100.74 × 424,543.70
  4. Step 4: Simplify right side
    696,325.95x = 408,029,259,426.83
  5. Step 5: Solve for x
    x = 408,029,259,426.83/696,325.95
  6. Step 6: Final answer
    x = 585,974.52

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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.