Home / 530,827.52-732,393.60-304,390.40

Finding the Fourth Proportional to 530,827.52, 732,393.60 and 304,390.40

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Solution

The fourth proportional to 530,827.52, 732,393.60 and 304,390.40 is: 419,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,827.52 : 732,393.60 = 304,390.40 : x
  2. Step 2: Convert to fraction form
    530,827.52/732,393.60 = 304,390.40/x
  3. Step 3: Cross multiply
    530,827.52x = 732,393.60 × 304,390.40
  4. Step 4: Simplify right side
    530,827.52x = 222,933,580,861.44
  5. Step 5: Solve for x
    x = 222,933,580,861.44/530,827.52
  6. Step 6: Final answer
    x = 419,973.67

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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.