Home / 907,558.20-1,361,337.30-655,615.80

Finding the Fourth Proportional to 907,558.20, 1,361,337.30 and 655,615.80

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Solution

The fourth proportional to 907,558.20, 1,361,337.30 and 655,615.80 is: 983,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,558.20 : 1,361,337.30 = 655,615.80 : x
  2. Step 2: Convert to fraction form
    907,558.20/1,361,337.30 = 655,615.80/x
  3. Step 3: Cross multiply
    907,558.20x = 1,361,337.30 × 655,615.80
  4. Step 4: Simplify right side
    907,558.20x = 892,514,243,009.34
  5. Step 5: Solve for x
    x = 892,514,243,009.34/907,558.20
  6. Step 6: Final answer
    x = 983,423.70

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Double scale
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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.