Home / 942,739.06-1,300,968.92-513,011.84

Finding the Fourth Proportional to 942,739.06, 1,300,968.92 and 513,011.84

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Solution

The fourth proportional to 942,739.06, 1,300,968.92 and 513,011.84 is: 707,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,739.06 : 1,300,968.92 = 513,011.84 : x
  2. Step 2: Convert to fraction form
    942,739.06/1,300,968.92 = 513,011.84/x
  3. Step 3: Cross multiply
    942,739.06x = 1,300,968.92 × 513,011.84
  4. Step 4: Simplify right side
    942,739.06x = 667,412,459,432.01
  5. Step 5: Solve for x
    x = 667,412,459,432.01/942,739.06
  6. Step 6: Final answer
    x = 707,950.36

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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.