Home / 746,033.04-1,119,380.34-390,962.64

Finding the Fourth Proportional to 746,033.04, 1,119,380.34 and 390,962.64

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Solution

The fourth proportional to 746,033.04, 1,119,380.34 and 390,962.64 is: 586,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,033.04 : 1,119,380.34 = 390,962.64 : x
  2. Step 2: Convert to fraction form
    746,033.04/1,119,380.34 = 390,962.64/x
  3. Step 3: Cross multiply
    746,033.04x = 1,119,380.34 × 390,962.64
  4. Step 4: Simplify right side
    746,033.04x = 437,635,892,890.50
  5. Step 5: Solve for x
    x = 437,635,892,890.50/746,033.04
  6. Step 6: Final answer
    x = 586,617.31

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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.