Home / 1,277,657.60-1,916,486.40-436,083.20

Finding the Fourth Proportional to 1,277,657.60, 1,916,486.40 and 436,083.20

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Solution

The fourth proportional to 1,277,657.60, 1,916,486.40 and 436,083.20 is: 654,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,657.60 : 1,916,486.40 = 436,083.20 : x
  2. Step 2: Convert to fraction form
    1,277,657.60/1,916,486.40 = 436,083.20/x
  3. Step 3: Cross multiply
    1,277,657.60x = 1,916,486.40 × 436,083.20
  4. Step 4: Simplify right side
    1,277,657.60x = 835,747,522,068.48
  5. Step 5: Solve for x
    x = 835,747,522,068.48/1,277,657.60
  6. Step 6: Final answer
    x = 654,124.80

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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.