Home / 923,557.80-1,385,482.50-391,082.16

Finding the Fourth Proportional to 923,557.80, 1,385,482.50 and 391,082.16

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Solution

The fourth proportional to 923,557.80, 1,385,482.50 and 391,082.16 is: 586,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,557.80 : 1,385,482.50 = 391,082.16 : x
  2. Step 2: Convert to fraction form
    923,557.80/1,385,482.50 = 391,082.16/x
  3. Step 3: Cross multiply
    923,557.80x = 1,385,482.50 × 391,082.16
  4. Step 4: Simplify right side
    923,557.80x = 541,837,488,742.20
  5. Step 5: Solve for x
    x = 541,837,488,742.20/923,557.80
  6. Step 6: Final answer
    x = 586,684.98

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1.5x scale

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.