Home / 758,041.38-1,136,245.59-402,697.62

Finding the Fourth Proportional to 758,041.38, 1,136,245.59 and 402,697.62

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Solution

The fourth proportional to 758,041.38, 1,136,245.59 and 402,697.62 is: 603,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,041.38 : 1,136,245.59 = 402,697.62 : x
  2. Step 2: Convert to fraction form
    758,041.38/1,136,245.59 = 402,697.62/x
  3. Step 3: Cross multiply
    758,041.38x = 1,136,245.59 × 402,697.62
  4. Step 4: Simplify right side
    758,041.38x = 457,563,394,828.50
  5. Step 5: Solve for x
    x = 457,563,394,828.50/758,041.38
  6. Step 6: Final answer
    x = 603,612.69

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Half scale
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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.