Home / 910,022.10-1,365,033.15-490,118.10

Finding the Fourth Proportional to 910,022.10, 1,365,033.15 and 490,118.10

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Solution

The fourth proportional to 910,022.10, 1,365,033.15 and 490,118.10 is: 735,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,022.10 : 1,365,033.15 = 490,118.10 : x
  2. Step 2: Convert to fraction form
    910,022.10/1,365,033.15 = 490,118.10/x
  3. Step 3: Cross multiply
    910,022.10x = 1,365,033.15 × 490,118.10
  4. Step 4: Simplify right side
    910,022.10x = 669,027,453,915.02
  5. Step 5: Solve for x
    x = 669,027,453,915.02/910,022.10
  6. Step 6: Final answer
    x = 735,177.15

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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.