Home / 767,966.17-1,059,818.77-419,125.68

Finding the Fourth Proportional to 767,966.17, 1,059,818.77 and 419,125.68

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Solution

The fourth proportional to 767,966.17, 1,059,818.77 and 419,125.68 is: 578,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,966.17 : 1,059,818.77 = 419,125.68 : x
  2. Step 2: Convert to fraction form
    767,966.17/1,059,818.77 = 419,125.68/x
  3. Step 3: Cross multiply
    767,966.17x = 1,059,818.77 × 419,125.68
  4. Step 4: Simplify right side
    767,966.17x = 444,197,255,258.29
  5. Step 5: Solve for x
    x = 444,197,255,258.29/767,966.17
  6. Step 6: Final answer
    x = 578,407.33

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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.