Home / 767,713.20-1,059,476.28-423,547.44

Finding the Fourth Proportional to 767,713.20, 1,059,476.28 and 423,547.44

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Solution

The fourth proportional to 767,713.20, 1,059,476.28 and 423,547.44 is: 584,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,713.20 : 1,059,476.28 = 423,547.44 : x
  2. Step 2: Convert to fraction form
    767,713.20/1,059,476.28 = 423,547.44/x
  3. Step 3: Cross multiply
    767,713.20x = 1,059,476.28 × 423,547.44
  4. Step 4: Simplify right side
    767,713.20x = 448,738,466,134.72
  5. Step 5: Solve for x
    x = 448,738,466,134.72/767,713.20
  6. Step 6: Final answer
    x = 584,513.16

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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.