Home / 847,031.04-1,168,927.20-479,479.77

Finding the Fourth Proportional to 847,031.04, 1,168,927.20 and 479,479.77

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Solution

The fourth proportional to 847,031.04, 1,168,927.20 and 479,479.77 is: 661,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,031.04 : 1,168,927.20 = 479,479.77 : x
  2. Step 2: Convert to fraction form
    847,031.04/1,168,927.20 = 479,479.77/x
  3. Step 3: Cross multiply
    847,031.04x = 1,168,927.20 × 479,479.77
  4. Step 4: Simplify right side
    847,031.04x = 560,476,945,002.74
  5. Step 5: Solve for x
    x = 560,476,945,002.74/847,031.04
  6. Step 6: Final answer
    x = 661,695.87

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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.