Home / 1,403,030.61-1,936,045.28-814,238.51

Finding the Fourth Proportional to 1,403,030.61, 1,936,045.28 and 814,238.51

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Solution

The fourth proportional to 1,403,030.61, 1,936,045.28 and 814,238.51 is: 1,123,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,030.61 : 1,936,045.28 = 814,238.51 : x
  2. Step 2: Convert to fraction form
    1,403,030.61/1,936,045.28 = 814,238.51/x
  3. Step 3: Cross multiply
    1,403,030.61x = 1,936,045.28 × 814,238.51
  4. Step 4: Simplify right side
    1,403,030.61x = 1,576,402,610,328.31
  5. Step 5: Solve for x
    x = 1,576,402,610,328.31/1,403,030.61
  6. Step 6: Final answer
    x = 1,123,569.65

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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.