Home / 1,143,156.58-1,577,411.08-626,774.58

Finding the Fourth Proportional to 1,143,156.58, 1,577,411.08 and 626,774.58

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Solution

The fourth proportional to 1,143,156.58, 1,577,411.08 and 626,774.58 is: 864,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,156.58 : 1,577,411.08 = 626,774.58 : x
  2. Step 2: Convert to fraction form
    1,143,156.58/1,577,411.08 = 626,774.58/x
  3. Step 3: Cross multiply
    1,143,156.58x = 1,577,411.08 × 626,774.58
  4. Step 4: Simplify right side
    1,143,156.58x = 988,681,167,154.35
  5. Step 5: Solve for x
    x = 988,681,167,154.35/1,143,156.58
  6. Step 6: Final answer
    x = 864,869.42

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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.