Home / 1,818,875.40-2,727,562.38-620,894.28

Finding the Fourth Proportional to 1,818,875.40, 2,727,562.38 and 620,894.28

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Solution

The fourth proportional to 1,818,875.40, 2,727,562.38 and 620,894.28 is: 931,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,875.40 : 2,727,562.38 = 620,894.28 : x
  2. Step 2: Convert to fraction form
    1,818,875.40/2,727,562.38 = 620,894.28/x
  3. Step 3: Cross multiply
    1,818,875.40x = 2,727,562.38 × 620,894.28
  4. Step 4: Simplify right side
    1,818,875.40x = 1,693,527,880,085.19
  5. Step 5: Solve for x
    x = 1,693,527,880,085.19/1,818,875.40
  6. Step 6: Final answer
    x = 931,085.15

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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.