Home / 810,005.60-1,215,008.40-600,053.60

Finding the Fourth Proportional to 810,005.60, 1,215,008.40 and 600,053.60

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Solution

The fourth proportional to 810,005.60, 1,215,008.40 and 600,053.60 is: 900,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,005.60 : 1,215,008.40 = 600,053.60 : x
  2. Step 2: Convert to fraction form
    810,005.60/1,215,008.40 = 600,053.60/x
  3. Step 3: Cross multiply
    810,005.60x = 1,215,008.40 × 600,053.60
  4. Step 4: Simplify right side
    810,005.60x = 729,070,164,450.24
  5. Step 5: Solve for x
    x = 729,070,164,450.24/810,005.60
  6. Step 6: Final answer
    x = 900,080.40

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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.