Home / 514,451.84-709,973.04-288,095.36

Finding the Fourth Proportional to 514,451.84, 709,973.04 and 288,095.36

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Solution

The fourth proportional to 514,451.84, 709,973.04 and 288,095.36 is: 397,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,451.84 : 709,973.04 = 288,095.36 : x
  2. Step 2: Convert to fraction form
    514,451.84/709,973.04 = 288,095.36/x
  3. Step 3: Cross multiply
    514,451.84x = 709,973.04 × 288,095.36
  4. Step 4: Simplify right side
    514,451.84x = 204,539,938,549.09
  5. Step 5: Solve for x
    x = 204,539,938,549.09/514,451.84
  6. Step 6: Final answer
    x = 397,588.12

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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.