Home / 1,329,384.49-1,834,447.02-785,417.11

Finding the Fourth Proportional to 1,329,384.49, 1,834,447.02 and 785,417.11

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Solution

The fourth proportional to 1,329,384.49, 1,834,447.02 and 785,417.11 is: 1,083,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,384.49 : 1,834,447.02 = 785,417.11 : x
  2. Step 2: Convert to fraction form
    1,329,384.49/1,834,447.02 = 785,417.11/x
  3. Step 3: Cross multiply
    1,329,384.49x = 1,834,447.02 × 785,417.11
  4. Step 4: Simplify right side
    1,329,384.49x = 1,440,806,069,365.08
  5. Step 5: Solve for x
    x = 1,440,806,069,365.08/1,329,384.49
  6. Step 6: Final answer
    x = 1,083,814.41

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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.