Home / 1,645,000.83-2,466,444.15-686,117.97

Finding the Fourth Proportional to 1,645,000.83, 2,466,444.15 and 686,117.97

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Solution

The fourth proportional to 1,645,000.83, 2,466,444.15 and 686,117.97 is: 1,028,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,000.83 : 2,466,444.15 = 686,117.97 : x
  2. Step 2: Convert to fraction form
    1,645,000.83/2,466,444.15 = 686,117.97/x
  3. Step 3: Cross multiply
    1,645,000.83x = 2,466,444.15 × 686,117.97
  4. Step 4: Simplify right side
    1,645,000.83x = 1,692,271,653,316.38
  5. Step 5: Solve for x
    x = 1,692,271,653,316.38/1,645,000.83
  6. Step 6: Final answer
    x = 1,028,736.05

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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.