Home / 877,198.56-1,316,322.72-805,814.88

Finding the Fourth Proportional to 877,198.56, 1,316,322.72 and 805,814.88

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Solution

The fourth proportional to 877,198.56, 1,316,322.72 and 805,814.88 is: 1,209,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,198.56 : 1,316,322.72 = 805,814.88 : x
  2. Step 2: Convert to fraction form
    877,198.56/1,316,322.72 = 805,814.88/x
  3. Step 3: Cross multiply
    877,198.56x = 1,316,322.72 × 805,814.88
  4. Step 4: Simplify right side
    877,198.56x = 1,060,712,439,392.53
  5. Step 5: Solve for x
    x = 1,060,712,439,392.53/877,198.56
  6. Step 6: Final answer
    x = 1,209,204.49

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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.