Home / 953,657.64-1,430,487.68-243,686.36

Finding the Fourth Proportional to 953,657.64, 1,430,487.68 and 243,686.36

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Solution

The fourth proportional to 953,657.64, 1,430,487.68 and 243,686.36 is: 365,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,657.64 : 1,430,487.68 = 243,686.36 : x
  2. Step 2: Convert to fraction form
    953,657.64/1,430,487.68 = 243,686.36/x
  3. Step 3: Cross multiply
    953,657.64x = 1,430,487.68 × 243,686.36
  4. Step 4: Simplify right side
    953,657.64x = 348,590,338,121.83
  5. Step 5: Solve for x
    x = 348,590,338,121.83/953,657.64
  6. Step 6: Final answer
    x = 365,529.85

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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.