Home / 1,330,886.10-1,996,329.15-657,071.40

Finding the Fourth Proportional to 1,330,886.10, 1,996,329.15 and 657,071.40

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Solution

The fourth proportional to 1,330,886.10, 1,996,329.15 and 657,071.40 is: 985,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,886.10 : 1,996,329.15 = 657,071.40 : x
  2. Step 2: Convert to fraction form
    1,330,886.10/1,996,329.15 = 657,071.40/x
  3. Step 3: Cross multiply
    1,330,886.10x = 1,996,329.15 × 657,071.40
  4. Step 4: Simplify right side
    1,330,886.10x = 1,311,730,789,451.31
  5. Step 5: Solve for x
    x = 1,311,730,789,451.31/1,330,886.10
  6. Step 6: Final answer
    x = 985,607.10

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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.