Home / 1,292,518-1,938,777-581,715.46

Finding the Fourth Proportional to 1,292,518, 1,938,777 and 581,715.46

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Solution

The fourth proportional to 1,292,518, 1,938,777 and 581,715.46 is: 872,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,518 : 1,938,777 = 581,715.46 : x
  2. Step 2: Convert to fraction form
    1,292,518/1,938,777 = 581,715.46/x
  3. Step 3: Cross multiply
    1,292,518x = 1,938,777 × 581,715.46
  4. Step 4: Simplify right side
    1,292,518x = 1,127,816,554,392.42
  5. Step 5: Solve for x
    x = 1,127,816,554,392.42/1,292,518
  6. Step 6: Final answer
    x = 872,573.19

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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.