Home / 597,639.80-896,459.70-223,614.20

Finding the Fourth Proportional to 597,639.80, 896,459.70 and 223,614.20

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Solution

The fourth proportional to 597,639.80, 896,459.70 and 223,614.20 is: 335,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,639.80 : 896,459.70 = 223,614.20 : x
  2. Step 2: Convert to fraction form
    597,639.80/896,459.70 = 223,614.20/x
  3. Step 3: Cross multiply
    597,639.80x = 896,459.70 × 223,614.20
  4. Step 4: Simplify right side
    597,639.80x = 200,461,118,647.74
  5. Step 5: Solve for x
    x = 200,461,118,647.74/597,639.80
  6. Step 6: Final answer
    x = 335,421.30

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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.