Home / 1,256,055.90-1,884,105.45-357,520.74

Finding the Fourth Proportional to 1,256,055.90, 1,884,105.45 and 357,520.74

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Solution

The fourth proportional to 1,256,055.90, 1,884,105.45 and 357,520.74 is: 536,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,055.90 : 1,884,105.45 = 357,520.74 : x
  2. Step 2: Convert to fraction form
    1,256,055.90/1,884,105.45 = 357,520.74/x
  3. Step 3: Cross multiply
    1,256,055.90x = 1,884,105.45 × 357,520.74
  4. Step 4: Simplify right side
    1,256,055.90x = 673,606,774,722.03
  5. Step 5: Solve for x
    x = 673,606,774,722.03/1,256,055.90
  6. Step 6: Final answer
    x = 536,287.26

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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.