Home / 1,154,509.19-1,593,271.89-645,211.56

Finding the Fourth Proportional to 1,154,509.19, 1,593,271.89 and 645,211.56

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Solution

The fourth proportional to 1,154,509.19, 1,593,271.89 and 645,211.56 is: 890,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,509.19 : 1,593,271.89 = 645,211.56 : x
  2. Step 2: Convert to fraction form
    1,154,509.19/1,593,271.89 = 645,211.56/x
  3. Step 3: Cross multiply
    1,154,509.19x = 1,593,271.89 × 645,211.56
  4. Step 4: Simplify right side
    1,154,509.19x = 1,027,997,441,651.05
  5. Step 5: Solve for x
    x = 1,027,997,441,651.05/1,154,509.19
  6. Step 6: Final answer
    x = 890,419.45

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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.