Home / 709,733.60-1,064,600.40-354,802.40

Finding the Fourth Proportional to 709,733.60, 1,064,600.40 and 354,802.40

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Solution

The fourth proportional to 709,733.60, 1,064,600.40 and 354,802.40 is: 532,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,733.60 : 1,064,600.40 = 354,802.40 : x
  2. Step 2: Convert to fraction form
    709,733.60/1,064,600.40 = 354,802.40/x
  3. Step 3: Cross multiply
    709,733.60x = 1,064,600.40 × 354,802.40
  4. Step 4: Simplify right side
    709,733.60x = 377,722,776,960.96
  5. Step 5: Solve for x
    x = 377,722,776,960.96/709,733.60
  6. Step 6: Final answer
    x = 532,203.60

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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.