Home / 571,867.40-857,217.90-335,088.20

Finding the Fourth Proportional to 571,867.40, 857,217.90 and 335,088.20

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Solution

The fourth proportional to 571,867.40, 857,217.90 and 335,088.20 is: 502,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,867.40 : 857,217.90 = 335,088.20 : x
  2. Step 2: Convert to fraction form
    571,867.40/857,217.90 = 335,088.20/x
  3. Step 3: Cross multiply
    571,867.40x = 857,217.90 × 335,088.20
  4. Step 4: Simplify right side
    571,867.40x = 287,243,603,118.78
  5. Step 5: Solve for x
    x = 287,243,603,118.78/571,867.40
  6. Step 6: Final answer
    x = 502,290.57

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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.