Home / 724,012.95-995,594.85-628,353.57

Finding the Fourth Proportional to 724,012.95, 995,594.85 and 628,353.57

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Solution

The fourth proportional to 724,012.95, 995,594.85 and 628,353.57 is: 864,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,012.95 : 995,594.85 = 628,353.57 : x
  2. Step 2: Convert to fraction form
    724,012.95/995,594.85 = 628,353.57/x
  3. Step 3: Cross multiply
    724,012.95x = 995,594.85 × 628,353.57
  4. Step 4: Simplify right side
    724,012.95x = 625,585,578,271.11
  5. Step 5: Solve for x
    x = 625,585,578,271.11/724,012.95
  6. Step 6: Final answer
    x = 864,053.02

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Double scale
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1.5x scale

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.