Home / 942,486.17-1,300,616.60-512,756.46

Finding the Fourth Proportional to 942,486.17, 1,300,616.60 and 512,756.46

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Solution

The fourth proportional to 942,486.17, 1,300,616.60 and 512,756.46 is: 707,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,486.17 : 1,300,616.60 = 512,756.46 : x
  2. Step 2: Convert to fraction form
    942,486.17/1,300,616.60 = 512,756.46/x
  3. Step 3: Cross multiply
    942,486.17x = 1,300,616.60 × 512,756.46
  4. Step 4: Simplify right side
    942,486.17x = 666,899,561,069.45
  5. Step 5: Solve for x
    x = 666,899,561,069.45/942,486.17
  6. Step 6: Final answer
    x = 707,596.13

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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.