Home / 527,223.40-790,835.10-242,913.40

Finding the Fourth Proportional to 527,223.40, 790,835.10 and 242,913.40

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Solution

The fourth proportional to 527,223.40, 790,835.10 and 242,913.40 is: 364,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,223.40 : 790,835.10 = 242,913.40 : x
  2. Step 2: Convert to fraction form
    527,223.40/790,835.10 = 242,913.40/x
  3. Step 3: Cross multiply
    527,223.40x = 790,835.10 × 242,913.40
  4. Step 4: Simplify right side
    527,223.40x = 192,104,442,980.34
  5. Step 5: Solve for x
    x = 192,104,442,980.34/527,223.40
  6. Step 6: Final answer
    x = 364,370.10

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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.