Home / 1,767,905.40-2,651,858.10-438,209.40

Finding the Fourth Proportional to 1,767,905.40, 2,651,858.10 and 438,209.40

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Solution

The fourth proportional to 1,767,905.40, 2,651,858.10 and 438,209.40 is: 657,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,905.40 : 2,651,858.10 = 438,209.40 : x
  2. Step 2: Convert to fraction form
    1,767,905.40/2,651,858.10 = 438,209.40/x
  3. Step 3: Cross multiply
    1,767,905.40x = 2,651,858.10 × 438,209.40
  4. Step 4: Simplify right side
    1,767,905.40x = 1,162,069,146,886.14
  5. Step 5: Solve for x
    x = 1,162,069,146,886.14/1,767,905.40
  6. Step 6: Final answer
    x = 657,314.10

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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.