Home / 812,361.60-1,121,301.96-525,901.02

Finding the Fourth Proportional to 812,361.60, 1,121,301.96 and 525,901.02

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Solution

The fourth proportional to 812,361.60, 1,121,301.96 and 525,901.02 is: 725,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,361.60 : 1,121,301.96 = 525,901.02 : x
  2. Step 2: Convert to fraction form
    812,361.60/1,121,301.96 = 525,901.02/x
  3. Step 3: Cross multiply
    812,361.60x = 1,121,301.96 × 525,901.02
  4. Step 4: Simplify right side
    812,361.60x = 589,693,844,492.00
  5. Step 5: Solve for x
    x = 589,693,844,492.00/812,361.60
  6. Step 6: Final answer
    x = 725,900.69

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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.