Home / 746,345.20-1,030,122.48-474,360.16

Finding the Fourth Proportional to 746,345.20, 1,030,122.48 and 474,360.16

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Solution

The fourth proportional to 746,345.20, 1,030,122.48 and 474,360.16 is: 654,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,345.20 : 1,030,122.48 = 474,360.16 : x
  2. Step 2: Convert to fraction form
    746,345.20/1,030,122.48 = 474,360.16/x
  3. Step 3: Cross multiply
    746,345.20x = 1,030,122.48 × 474,360.16
  4. Step 4: Simplify right side
    746,345.20x = 488,649,064,432.40
  5. Step 5: Solve for x
    x = 488,649,064,432.40/746,345.20
  6. Step 6: Final answer
    x = 654,722.59

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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.