Home / 1,817,707.60-2,726,561.40-620,981.20

Finding the Fourth Proportional to 1,817,707.60, 2,726,561.40 and 620,981.20

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Solution

The fourth proportional to 1,817,707.60, 2,726,561.40 and 620,981.20 is: 931,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,707.60 : 2,726,561.40 = 620,981.20 : x
  2. Step 2: Convert to fraction form
    1,817,707.60/2,726,561.40 = 620,981.20/x
  3. Step 3: Cross multiply
    1,817,707.60x = 2,726,561.40 × 620,981.20
  4. Step 4: Simplify right side
    1,817,707.60x = 1,693,143,370,045.68
  5. Step 5: Solve for x
    x = 1,693,143,370,045.68/1,817,707.60
  6. Step 6: Final answer
    x = 931,471.80

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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.