Home / 927,137.80-1,390,706.70-716,926.60

Finding the Fourth Proportional to 927,137.80, 1,390,706.70 and 716,926.60

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Solution

The fourth proportional to 927,137.80, 1,390,706.70 and 716,926.60 is: 1,075,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,137.80 : 1,390,706.70 = 716,926.60 : x
  2. Step 2: Convert to fraction form
    927,137.80/1,390,706.70 = 716,926.60/x
  3. Step 3: Cross multiply
    927,137.80x = 1,390,706.70 × 716,926.60
  4. Step 4: Simplify right side
    927,137.80x = 997,034,626,028.22
  5. Step 5: Solve for x
    x = 997,034,626,028.22/927,137.80
  6. Step 6: Final answer
    x = 1,075,389.90

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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.