Home / 1,151,368.40-1,588,853.40-642,157.04

Finding the Fourth Proportional to 1,151,368.40, 1,588,853.40 and 642,157.04

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Solution

The fourth proportional to 1,151,368.40, 1,588,853.40 and 642,157.04 is: 886,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,368.40 : 1,588,853.40 = 642,157.04 : x
  2. Step 2: Convert to fraction form
    1,151,368.40/1,588,853.40 = 642,157.04/x
  3. Step 3: Cross multiply
    1,151,368.40x = 1,588,853.40 × 642,157.04
  4. Step 4: Simplify right side
    1,151,368.40x = 1,020,293,396,337.94
  5. Step 5: Solve for x
    x = 1,020,293,396,337.94/1,151,368.40
  6. Step 6: Final answer
    x = 886,157.20

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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.