Home / 863,548.20-1,191,642.58-476,368.10

Finding the Fourth Proportional to 863,548.20, 1,191,642.58 and 476,368.10

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Solution

The fourth proportional to 863,548.20, 1,191,642.58 and 476,368.10 is: 657,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,548.20 : 1,191,642.58 = 476,368.10 : x
  2. Step 2: Convert to fraction form
    863,548.20/1,191,642.58 = 476,368.10/x
  3. Step 3: Cross multiply
    863,548.20x = 1,191,642.58 × 476,368.10
  4. Step 4: Simplify right side
    863,548.20x = 567,660,515,288.27
  5. Step 5: Solve for x
    x = 567,660,515,288.27/863,548.20
  6. Step 6: Final answer
    x = 657,358.23

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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.