Home / 891,553.55-1,230,343.90-509,588.53

Finding the Fourth Proportional to 891,553.55, 1,230,343.90 and 509,588.53

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Solution

The fourth proportional to 891,553.55, 1,230,343.90 and 509,588.53 is: 703,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,553.55 : 1,230,343.90 = 509,588.53 : x
  2. Step 2: Convert to fraction form
    891,553.55/1,230,343.90 = 509,588.53/x
  3. Step 3: Cross multiply
    891,553.55x = 1,230,343.90 × 509,588.53
  4. Step 4: Simplify right side
    891,553.55x = 626,969,141,966.32
  5. Step 5: Solve for x
    x = 626,969,141,966.32/891,553.55
  6. Step 6: Final answer
    x = 703,232.17

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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.