Home / 639,176.00-959,130.32-260,026.74

Finding the Fourth Proportional to 639,176.00, 959,130.32 and 260,026.74

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Solution

The fourth proportional to 639,176.00, 959,130.32 and 260,026.74 is: 390,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,176.00 : 959,130.32 = 260,026.74 : x
  2. Step 2: Convert to fraction form
    639,176.00/959,130.32 = 260,026.74/x
  3. Step 3: Cross multiply
    639,176.00x = 959,130.32 × 260,026.74
  4. Step 4: Simplify right side
    639,176.00x = 249,399,529,044.62
  5. Step 5: Solve for x
    x = 249,399,529,044.62/639,176.00
  6. Step 6: Final answer
    x = 390,189.14

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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.