Home / 626,521.57-938,192.63-525,052.80

Finding the Fourth Proportional to 626,521.57, 938,192.63 and 525,052.80

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Solution

The fourth proportional to 626,521.57, 938,192.63 and 525,052.80 is: 786,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,521.57 : 938,192.63 = 525,052.80 : x
  2. Step 2: Convert to fraction form
    626,521.57/938,192.63 = 525,052.80/x
  3. Step 3: Cross multiply
    626,521.57x = 938,192.63 × 525,052.80
  4. Step 4: Simplify right side
    626,521.57x = 492,600,671,167.24
  5. Step 5: Solve for x
    x = 492,600,671,167.24/626,521.57
  6. Step 6: Final answer
    x = 786,246.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.