Home / 559,255.04-771,768-304,605.44

Finding the Fourth Proportional to 559,255.04, 771,768 and 304,605.44

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Solution

The fourth proportional to 559,255.04, 771,768 and 304,605.44 is: 420,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,255.04 : 771,768 = 304,605.44 : x
  2. Step 2: Convert to fraction form
    559,255.04/771,768 = 304,605.44/x
  3. Step 3: Cross multiply
    559,255.04x = 771,768 × 304,605.44
  4. Step 4: Simplify right side
    559,255.04x = 235,084,731,217.92
  5. Step 5: Solve for x
    x = 235,084,731,217.92/559,255.04
  6. Step 6: Final answer
    x = 420,353.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.