Home / 1,500,104.02-2,070,127.78-811,760.81

Finding the Fourth Proportional to 1,500,104.02, 2,070,127.78 and 811,760.81

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Solution

The fourth proportional to 1,500,104.02, 2,070,127.78 and 811,760.81 is: 1,120,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,104.02 : 2,070,127.78 = 811,760.81 : x
  2. Step 2: Convert to fraction form
    1,500,104.02/2,070,127.78 = 811,760.81/x
  3. Step 3: Cross multiply
    1,500,104.02x = 2,070,127.78 × 811,760.81
  4. Step 4: Simplify right side
    1,500,104.02x = 1,680,448,599,437.50
  5. Step 5: Solve for x
    x = 1,680,448,599,437.50/1,500,104.02
  6. Step 6: Final answer
    x = 1,120,221.38

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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.