Home / 736,280.80-1,104,421.20-603,311.20

Finding the Fourth Proportional to 736,280.80, 1,104,421.20 and 603,311.20

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Solution

The fourth proportional to 736,280.80, 1,104,421.20 and 603,311.20 is: 904,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,280.80 : 1,104,421.20 = 603,311.20 : x
  2. Step 2: Convert to fraction form
    736,280.80/1,104,421.20 = 603,311.20/x
  3. Step 3: Cross multiply
    736,280.80x = 1,104,421.20 × 603,311.20
  4. Step 4: Simplify right side
    736,280.80x = 666,309,679,477.44
  5. Step 5: Solve for x
    x = 666,309,679,477.44/736,280.80
  6. Step 6: Final answer
    x = 904,966.80

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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.