Home / 1,686,821.84-2,327,870.08-922,875.76

Finding the Fourth Proportional to 1,686,821.84, 2,327,870.08 and 922,875.76

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Solution

The fourth proportional to 1,686,821.84, 2,327,870.08 and 922,875.76 is: 1,273,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,821.84 : 2,327,870.08 = 922,875.76 : x
  2. Step 2: Convert to fraction form
    1,686,821.84/2,327,870.08 = 922,875.76/x
  3. Step 3: Cross multiply
    1,686,821.84x = 2,327,870.08 × 922,875.76
  4. Step 4: Simplify right side
    1,686,821.84x = 2,148,334,869,261.26
  5. Step 5: Solve for x
    x = 2,148,334,869,261.26/1,686,821.84
  6. Step 6: Final answer
    x = 1,273,599.15

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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.