Home / 1,718,692.74-2,578,170.36-520,714.32

Finding the Fourth Proportional to 1,718,692.74, 2,578,170.36 and 520,714.32

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Solution

The fourth proportional to 1,718,692.74, 2,578,170.36 and 520,714.32 is: 781,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,692.74 : 2,578,170.36 = 520,714.32 : x
  2. Step 2: Convert to fraction form
    1,718,692.74/2,578,170.36 = 520,714.32/x
  3. Step 3: Cross multiply
    1,718,692.74x = 2,578,170.36 × 520,714.32
  4. Step 4: Simplify right side
    1,718,692.74x = 1,342,490,225,851.56
  5. Step 5: Solve for x
    x = 1,342,490,225,851.56/1,718,692.74
  6. Step 6: Final answer
    x = 781,111.24

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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.