Home / 736,901.80-1,105,352.70-263,602.60

Finding the Fourth Proportional to 736,901.80, 1,105,352.70 and 263,602.60

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Solution

The fourth proportional to 736,901.80, 1,105,352.70 and 263,602.60 is: 395,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,901.80 : 1,105,352.70 = 263,602.60 : x
  2. Step 2: Convert to fraction form
    736,901.80/1,105,352.70 = 263,602.60/x
  3. Step 3: Cross multiply
    736,901.80x = 1,105,352.70 × 263,602.60
  4. Step 4: Simplify right side
    736,901.80x = 291,373,845,637.02
  5. Step 5: Solve for x
    x = 291,373,845,637.02/736,901.80
  6. Step 6: Final answer
    x = 395,403.90

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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.