Home / 736,259.20-1,104,388.80-315,577.60

Finding the Fourth Proportional to 736,259.20, 1,104,388.80 and 315,577.60

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Solution

The fourth proportional to 736,259.20, 1,104,388.80 and 315,577.60 is: 473,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,259.20 : 1,104,388.80 = 315,577.60 : x
  2. Step 2: Convert to fraction form
    736,259.20/1,104,388.80 = 315,577.60/x
  3. Step 3: Cross multiply
    736,259.20x = 1,104,388.80 × 315,577.60
  4. Step 4: Simplify right side
    736,259.20x = 348,520,366,970.88
  5. Step 5: Solve for x
    x = 348,520,366,970.88/736,259.20
  6. Step 6: Final answer
    x = 473,366.40

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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.