Home / 1,215,841.39-1,823,799.14-417,111.63

Finding the Fourth Proportional to 1,215,841.39, 1,823,799.14 and 417,111.63

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Solution

The fourth proportional to 1,215,841.39, 1,823,799.14 and 417,111.63 is: 625,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,841.39 : 1,823,799.14 = 417,111.63 : x
  2. Step 2: Convert to fraction form
    1,215,841.39/1,823,799.14 = 417,111.63/x
  3. Step 3: Cross multiply
    1,215,841.39x = 1,823,799.14 × 417,111.63
  4. Step 4: Simplify right side
    1,215,841.39x = 760,727,824,717.36
  5. Step 5: Solve for x
    x = 760,727,824,717.36/1,215,841.39
  6. Step 6: Final answer
    x = 625,680.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.