Home / 1,157,561.15-1,597,445.51-641,325.87

Finding the Fourth Proportional to 1,157,561.15, 1,597,445.51 and 641,325.87

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Solution

The fourth proportional to 1,157,561.15, 1,597,445.51 and 641,325.87 is: 885,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,561.15 : 1,597,445.51 = 641,325.87 : x
  2. Step 2: Convert to fraction form
    1,157,561.15/1,597,445.51 = 641,325.87/x
  3. Step 3: Cross multiply
    1,157,561.15x = 1,597,445.51 × 641,325.87
  4. Step 4: Simplify right side
    1,157,561.15x = 1,024,483,128,271.71
  5. Step 5: Solve for x
    x = 1,024,483,128,271.71/1,157,561.15
  6. Step 6: Final answer
    x = 885,035.86

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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.