Home / 942,502.68-1,300,615.11-512,783.24

Finding the Fourth Proportional to 942,502.68, 1,300,615.11 and 512,783.24

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Solution

The fourth proportional to 942,502.68, 1,300,615.11 and 512,783.24 is: 707,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,502.68 : 1,300,615.11 = 512,783.24 : x
  2. Step 2: Convert to fraction form
    942,502.68/1,300,615.11 = 512,783.24/x
  3. Step 3: Cross multiply
    942,502.68x = 1,300,615.11 × 512,783.24
  4. Step 4: Simplify right side
    942,502.68x = 666,933,623,595.68
  5. Step 5: Solve for x
    x = 666,933,623,595.68/942,502.68
  6. Step 6: Final answer
    x = 707,619.87

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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.