Home / 1,217,143.45-1,679,250-700,886.22

Finding the Fourth Proportional to 1,217,143.45, 1,679,250 and 700,886.22

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Solution

The fourth proportional to 1,217,143.45, 1,679,250 and 700,886.22 is: 966,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,143.45 : 1,679,250 = 700,886.22 : x
  2. Step 2: Convert to fraction form
    1,217,143.45/1,679,250 = 700,886.22/x
  3. Step 3: Cross multiply
    1,217,143.45x = 1,679,250 × 700,886.22
  4. Step 4: Simplify right side
    1,217,143.45x = 1,176,963,184,935
  5. Step 5: Solve for x
    x = 1,176,963,184,935/1,217,143.45
  6. Step 6: Final answer
    x = 966,988.06

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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.