Home / 929,347.02-1,394,103.54-289,656.18

Finding the Fourth Proportional to 929,347.02, 1,394,103.54 and 289,656.18

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Solution

The fourth proportional to 929,347.02, 1,394,103.54 and 289,656.18 is: 434,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,347.02 : 1,394,103.54 = 289,656.18 : x
  2. Step 2: Convert to fraction form
    929,347.02/1,394,103.54 = 289,656.18/x
  3. Step 3: Cross multiply
    929,347.02x = 1,394,103.54 × 289,656.18
  4. Step 4: Simplify right side
    929,347.02x = 403,810,705,920.88
  5. Step 5: Solve for x
    x = 403,810,705,920.88/929,347.02
  6. Step 6: Final answer
    x = 434,510.14

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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.