Home / 942,107.17-1,300,104.25-512,394.47

Finding the Fourth Proportional to 942,107.17, 1,300,104.25 and 512,394.47

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Solution

The fourth proportional to 942,107.17, 1,300,104.25 and 512,394.47 is: 707,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,107.17 : 1,300,104.25 = 512,394.47 : x
  2. Step 2: Convert to fraction form
    942,107.17/1,300,104.25 = 512,394.47/x
  3. Step 3: Cross multiply
    942,107.17x = 1,300,104.25 × 512,394.47
  4. Step 4: Simplify right side
    942,107.17x = 666,166,228,123.50
  5. Step 5: Solve for x
    x = 666,166,228,123.50/942,107.17
  6. Step 6: Final answer
    x = 707,102.39

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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.