Home / 530,003.20-795,004.80-495,011.20

Finding the Fourth Proportional to 530,003.20, 795,004.80 and 495,011.20

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Solution

The fourth proportional to 530,003.20, 795,004.80 and 495,011.20 is: 742,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,003.20 : 795,004.80 = 495,011.20 : x
  2. Step 2: Convert to fraction form
    530,003.20/795,004.80 = 495,011.20/x
  3. Step 3: Cross multiply
    530,003.20x = 795,004.80 × 495,011.20
  4. Step 4: Simplify right side
    530,003.20x = 393,536,280,053.76
  5. Step 5: Solve for x
    x = 393,536,280,053.76/530,003.20
  6. Step 6: Final answer
    x = 742,516.80

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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.