Home / 1,148,075.61-1,584,538.47-664,934.46

Finding the Fourth Proportional to 1,148,075.61, 1,584,538.47 and 664,934.46

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Solution

The fourth proportional to 1,148,075.61, 1,584,538.47 and 664,934.46 is: 917,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,075.61 : 1,584,538.47 = 664,934.46 : x
  2. Step 2: Convert to fraction form
    1,148,075.61/1,584,538.47 = 664,934.46/x
  3. Step 3: Cross multiply
    1,148,075.61x = 1,584,538.47 × 664,934.46
  4. Step 4: Simplify right side
    1,148,075.61x = 1,053,614,231,898.68
  5. Step 5: Solve for x
    x = 1,053,614,231,898.68/1,148,075.61
  6. Step 6: Final answer
    x = 917,721.99

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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.