Home / 847,017.54-1,168,731.72-479,492.19

Finding the Fourth Proportional to 847,017.54, 1,168,731.72 and 479,492.19

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Solution

The fourth proportional to 847,017.54, 1,168,731.72 and 479,492.19 is: 661,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,017.54 : 1,168,731.72 = 479,492.19 : x
  2. Step 2: Convert to fraction form
    847,017.54/1,168,731.72 = 479,492.19/x
  3. Step 3: Cross multiply
    847,017.54x = 1,168,731.72 × 479,492.19
  4. Step 4: Simplify right side
    847,017.54x = 560,397,731,945.27
  5. Step 5: Solve for x
    x = 560,397,731,945.27/847,017.54
  6. Step 6: Final answer
    x = 661,612.90

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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.