Home / 1,615,931.61-2,423,893.36-478,782.33

Finding the Fourth Proportional to 1,615,931.61, 2,423,893.36 and 478,782.33

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Solution

The fourth proportional to 1,615,931.61, 2,423,893.36 and 478,782.33 is: 718,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,931.61 : 2,423,893.36 = 478,782.33 : x
  2. Step 2: Convert to fraction form
    1,615,931.61/2,423,893.36 = 478,782.33/x
  3. Step 3: Cross multiply
    1,615,931.61x = 2,423,893.36 × 478,782.33
  4. Step 4: Simplify right side
    1,615,931.61x = 1,160,517,310,572.33
  5. Step 5: Solve for x
    x = 1,160,517,310,572.33/1,615,931.61
  6. Step 6: Final answer
    x = 718,172.29

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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.