Home / 942,538.07-1,300,730.40-512,846.03

Finding the Fourth Proportional to 942,538.07, 1,300,730.40 and 512,846.03

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Solution

The fourth proportional to 942,538.07, 1,300,730.40 and 512,846.03 is: 707,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,538.07 : 1,300,730.40 = 512,846.03 : x
  2. Step 2: Convert to fraction form
    942,538.07/1,300,730.40 = 512,846.03/x
  3. Step 3: Cross multiply
    942,538.07x = 1,300,730.40 × 512,846.03
  4. Step 4: Simplify right side
    942,538.07x = 667,074,424,992.14
  5. Step 5: Solve for x
    x = 667,074,424,992.14/942,538.07
  6. Step 6: Final answer
    x = 707,742.68

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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.