Home / 942,029.49-1,299,988.35-512,300.46

Finding the Fourth Proportional to 942,029.49, 1,299,988.35 and 512,300.46

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Solution

The fourth proportional to 942,029.49, 1,299,988.35 and 512,300.46 is: 706,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,029.49 : 1,299,988.35 = 512,300.46 : x
  2. Step 2: Convert to fraction form
    942,029.49/1,299,988.35 = 512,300.46/x
  3. Step 3: Cross multiply
    942,029.49x = 1,299,988.35 × 512,300.46
  4. Step 4: Simplify right side
    942,029.49x = 665,984,629,699.64
  5. Step 5: Solve for x
    x = 665,984,629,699.64/942,029.49
  6. Step 6: Final answer
    x = 706,967.92

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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.