Home / 806,916.06-1,113,170.04-520,528.41

Finding the Fourth Proportional to 806,916.06, 1,113,170.04 and 520,528.41

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Solution

The fourth proportional to 806,916.06, 1,113,170.04 and 520,528.41 is: 718,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,916.06 : 1,113,170.04 = 520,528.41 : x
  2. Step 2: Convert to fraction form
    806,916.06/1,113,170.04 = 520,528.41/x
  3. Step 3: Cross multiply
    806,916.06x = 1,113,170.04 × 520,528.41
  4. Step 4: Simplify right side
    806,916.06x = 579,436,630,980.84
  5. Step 5: Solve for x
    x = 579,436,630,980.84/806,916.06
  6. Step 6: Final answer
    x = 718,087.87

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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.