Home / 1,715,648.61-2,573,140.80-578,291.16

Finding the Fourth Proportional to 1,715,648.61, 2,573,140.80 and 578,291.16

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Solution

The fourth proportional to 1,715,648.61, 2,573,140.80 and 578,291.16 is: 867,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,648.61 : 2,573,140.80 = 578,291.16 : x
  2. Step 2: Convert to fraction form
    1,715,648.61/2,573,140.80 = 578,291.16/x
  3. Step 3: Cross multiply
    1,715,648.61x = 2,573,140.80 × 578,291.16
  4. Step 4: Simplify right side
    1,715,648.61x = 1,488,024,578,075.33
  5. Step 5: Solve for x
    x = 1,488,024,578,075.33/1,715,648.61
  6. Step 6: Final answer
    x = 867,324.79

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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.