Home / 763,541.60-1,053,736.16-424,009.84

Finding the Fourth Proportional to 763,541.60, 1,053,736.16 and 424,009.84

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Solution

The fourth proportional to 763,541.60, 1,053,736.16 and 424,009.84 is: 585,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,541.60 : 1,053,736.16 = 424,009.84 : x
  2. Step 2: Convert to fraction form
    763,541.60/1,053,736.16 = 424,009.84/x
  3. Step 3: Cross multiply
    763,541.60x = 1,053,736.16 × 424,009.84
  4. Step 4: Simplify right side
    763,541.60x = 446,794,500,603.81
  5. Step 5: Solve for x
    x = 446,794,500,603.81/763,541.60
  6. Step 6: Final answer
    x = 585,160.65

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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.