Home / 819,405.02-1,131,492.93-514,006.36

Finding the Fourth Proportional to 819,405.02, 1,131,492.93 and 514,006.36

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Solution

The fourth proportional to 819,405.02, 1,131,492.93 and 514,006.36 is: 709,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,405.02 : 1,131,492.93 = 514,006.36 : x
  2. Step 2: Convert to fraction form
    819,405.02/1,131,492.93 = 514,006.36/x
  3. Step 3: Cross multiply
    819,405.02x = 1,131,492.93 × 514,006.36
  4. Step 4: Simplify right side
    819,405.02x = 581,594,562,315.04
  5. Step 5: Solve for x
    x = 581,594,562,315.04/819,405.02
  6. Step 6: Final answer
    x = 709,776.66

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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.