Home / 651,143.61-976,875.26-525,918.69

Finding the Fourth Proportional to 651,143.61, 976,875.26 and 525,918.69

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Solution

The fourth proportional to 651,143.61, 976,875.26 and 525,918.69 is: 789,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,143.61 : 976,875.26 = 525,918.69 : x
  2. Step 2: Convert to fraction form
    651,143.61/976,875.26 = 525,918.69/x
  3. Step 3: Cross multiply
    651,143.61x = 976,875.26 × 525,918.69
  4. Step 4: Simplify right side
    651,143.61x = 513,756,954,403.02
  5. Step 5: Solve for x
    x = 513,756,954,403.02/651,143.61
  6. Step 6: Final answer
    x = 789,007.14

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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.