Home / 744,017.20-1,026,715.02-404,485.60

Finding the Fourth Proportional to 744,017.20, 1,026,715.02 and 404,485.60

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Solution

The fourth proportional to 744,017.20, 1,026,715.02 and 404,485.60 is: 558,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,017.20 : 1,026,715.02 = 404,485.60 : x
  2. Step 2: Convert to fraction form
    744,017.20/1,026,715.02 = 404,485.60/x
  3. Step 3: Cross multiply
    744,017.20x = 1,026,715.02 × 404,485.60
  4. Step 4: Simplify right side
    744,017.20x = 415,291,440,893.71
  5. Step 5: Solve for x
    x = 415,291,440,893.71/744,017.20
  6. Step 6: Final answer
    x = 558,174.52

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.