Home / 877,353.66-1,316,554.83-805,969.98

Finding the Fourth Proportional to 877,353.66, 1,316,554.83 and 805,969.98

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Solution

The fourth proportional to 877,353.66, 1,316,554.83 and 805,969.98 is: 1,209,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,353.66 : 1,316,554.83 = 805,969.98 : x
  2. Step 2: Convert to fraction form
    877,353.66/1,316,554.83 = 805,969.98/x
  3. Step 3: Cross multiply
    877,353.66x = 1,316,554.83 × 805,969.98
  4. Step 4: Simplify right side
    877,353.66x = 1,061,103,670,004.00
  5. Step 5: Solve for x
    x = 1,061,103,670,004.00/877,353.66
  6. Step 6: Final answer
    x = 1,209,436.65

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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.