Home / 1,477,856.84-2,039,465.10-865,863.18

Finding the Fourth Proportional to 1,477,856.84, 2,039,465.10 and 865,863.18

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Solution

The fourth proportional to 1,477,856.84, 2,039,465.10 and 865,863.18 is: 1,194,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,856.84 : 2,039,465.10 = 865,863.18 : x
  2. Step 2: Convert to fraction form
    1,477,856.84/2,039,465.10 = 865,863.18/x
  3. Step 3: Cross multiply
    1,477,856.84x = 2,039,465.10 × 865,863.18
  4. Step 4: Simplify right side
    1,477,856.84x = 1,765,897,736,985.02
  5. Step 5: Solve for x
    x = 1,765,897,736,985.02/1,477,856.84
  6. Step 6: Final answer
    x = 1,194,904.47

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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.