Home / 847,376.13-1,169,094.54-479,803.12

Finding the Fourth Proportional to 847,376.13, 1,169,094.54 and 479,803.12

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Solution

The fourth proportional to 847,376.13, 1,169,094.54 and 479,803.12 is: 661,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,376.13 : 1,169,094.54 = 479,803.12 : x
  2. Step 2: Convert to fraction form
    847,376.13/1,169,094.54 = 479,803.12/x
  3. Step 3: Cross multiply
    847,376.13x = 1,169,094.54 × 479,803.12
  4. Step 4: Simplify right side
    847,376.13x = 560,935,207,866.97
  5. Step 5: Solve for x
    x = 560,935,207,866.97/847,376.13
  6. Step 6: Final answer
    x = 661,967.20

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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.