Home / 626,482.06-864,545.68-340,002.14

Finding the Fourth Proportional to 626,482.06, 864,545.68 and 340,002.14

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Solution

The fourth proportional to 626,482.06, 864,545.68 and 340,002.14 is: 469,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,482.06 : 864,545.68 = 340,002.14 : x
  2. Step 2: Convert to fraction form
    626,482.06/864,545.68 = 340,002.14/x
  3. Step 3: Cross multiply
    626,482.06x = 864,545.68 × 340,002.14
  4. Step 4: Simplify right side
    626,482.06x = 293,947,378,316.39
  5. Step 5: Solve for x
    x = 293,947,378,316.39/626,482.06
  6. Step 6: Final answer
    x = 469,203.19

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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.