Home / 557,639.70-836,459.55-183,614.10

Finding the Fourth Proportional to 557,639.70, 836,459.55 and 183,614.10

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Solution

The fourth proportional to 557,639.70, 836,459.55 and 183,614.10 is: 275,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,639.70 : 836,459.55 = 183,614.10 : x
  2. Step 2: Convert to fraction form
    557,639.70/836,459.55 = 183,614.10/x
  3. Step 3: Cross multiply
    557,639.70x = 836,459.55 × 183,614.10
  4. Step 4: Simplify right side
    557,639.70x = 153,585,767,459.66
  5. Step 5: Solve for x
    x = 153,585,767,459.66/557,639.70
  6. Step 6: Final answer
    x = 275,421.15

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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.