Home / 1,266,870.96-1,748,234.88-693,915.84

Finding the Fourth Proportional to 1,266,870.96, 1,748,234.88 and 693,915.84

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Solution

The fourth proportional to 1,266,870.96, 1,748,234.88 and 693,915.84 is: 957,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,870.96 : 1,748,234.88 = 693,915.84 : x
  2. Step 2: Convert to fraction form
    1,266,870.96/1,748,234.88 = 693,915.84/x
  3. Step 3: Cross multiply
    1,266,870.96x = 1,748,234.88 × 693,915.84
  4. Step 4: Simplify right side
    1,266,870.96x = 1,213,127,875,272.50
  5. Step 5: Solve for x
    x = 1,213,127,875,272.50/1,266,870.96
  6. Step 6: Final answer
    x = 957,578.09

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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.