Home / 912,031.80-1,368,047.70-576,108.60

Finding the Fourth Proportional to 912,031.80, 1,368,047.70 and 576,108.60

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Solution

The fourth proportional to 912,031.80, 1,368,047.70 and 576,108.60 is: 864,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,031.80 : 1,368,047.70 = 576,108.60 : x
  2. Step 2: Convert to fraction form
    912,031.80/1,368,047.70 = 576,108.60/x
  3. Step 3: Cross multiply
    912,031.80x = 1,368,047.70 × 576,108.60
  4. Step 4: Simplify right side
    912,031.80x = 788,144,045,180.22
  5. Step 5: Solve for x
    x = 788,144,045,180.22/912,031.80
  6. Step 6: Final answer
    x = 864,162.90

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Similar ratio
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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.