Home / 1,907,520-2,862,592.32-785,589.12

Finding the Fourth Proportional to 1,907,520, 2,862,592.32 and 785,589.12

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Solution

The fourth proportional to 1,907,520, 2,862,592.32 and 785,589.12 is: 1,178,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,520 : 2,862,592.32 = 785,589.12 : x
  2. Step 2: Convert to fraction form
    1,907,520/2,862,592.32 = 785,589.12/x
  3. Step 3: Cross multiply
    1,907,520x = 2,862,592.32 × 785,589.12
  4. Step 4: Simplify right side
    1,907,520x = 2,248,821,381,587.56
  5. Step 5: Solve for x
    x = 2,248,821,381,587.56/1,907,520
  6. Step 6: Final answer
    x = 1,178,924.14

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Double scale
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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.