Home / 928,632-1,281,512.16-546,895.20

Finding the Fourth Proportional to 928,632, 1,281,512.16 and 546,895.20

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Solution

The fourth proportional to 928,632, 1,281,512.16 and 546,895.20 is: 754,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,632 : 1,281,512.16 = 546,895.20 : x
  2. Step 2: Convert to fraction form
    928,632/1,281,512.16 = 546,895.20/x
  3. Step 3: Cross multiply
    928,632x = 1,281,512.16 × 546,895.20
  4. Step 4: Simplify right side
    928,632x = 700,852,849,045.63
  5. Step 5: Solve for x
    x = 700,852,849,045.63/928,632
  6. Step 6: Final answer
    x = 754,715.38

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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.