Home / 927,511.88-1,279,963.54-514,075.02

Finding the Fourth Proportional to 927,511.88, 1,279,963.54 and 514,075.02

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Solution

The fourth proportional to 927,511.88, 1,279,963.54 and 514,075.02 is: 709,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,511.88 : 1,279,963.54 = 514,075.02 : x
  2. Step 2: Convert to fraction form
    927,511.88/1,279,963.54 = 514,075.02/x
  3. Step 3: Cross multiply
    927,511.88x = 1,279,963.54 × 514,075.02
  4. Step 4: Simplify right side
    927,511.88x = 657,997,282,424.77
  5. Step 5: Solve for x
    x = 657,997,282,424.77/927,511.88
  6. Step 6: Final answer
    x = 709,421.95

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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.