Home / 690,030.44-947,154.49-612,892.52

Finding the Fourth Proportional to 690,030.44, 947,154.49 and 612,892.52

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Solution

The fourth proportional to 690,030.44, 947,154.49 and 612,892.52 is: 841,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,030.44 : 947,154.49 = 612,892.52 : x
  2. Step 2: Convert to fraction form
    690,030.44/947,154.49 = 612,892.52/x
  3. Step 3: Cross multiply
    690,030.44x = 947,154.49 × 612,892.52
  4. Step 4: Simplify right side
    690,030.44x = 580,503,902,205.42
  5. Step 5: Solve for x
    x = 580,503,902,205.42/690,030.44
  6. Step 6: Final answer
    x = 841,272.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.