Home / 917,933.19-1,266,340.23-611,711.26

Finding the Fourth Proportional to 917,933.19, 1,266,340.23 and 611,711.26

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Solution

The fourth proportional to 917,933.19, 1,266,340.23 and 611,711.26 is: 843,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,933.19 : 1,266,340.23 = 611,711.26 : x
  2. Step 2: Convert to fraction form
    917,933.19/1,266,340.23 = 611,711.26/x
  3. Step 3: Cross multiply
    917,933.19x = 1,266,340.23 × 611,711.26
  4. Step 4: Simplify right side
    917,933.19x = 774,634,577,681.99
  5. Step 5: Solve for x
    x = 774,634,577,681.99/917,933.19
  6. Step 6: Final answer
    x = 843,889.93

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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.