Home / 1,132,218.34-1,562,461.23-622,909.78

Finding the Fourth Proportional to 1,132,218.34, 1,562,461.23 and 622,909.78

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Solution

The fourth proportional to 1,132,218.34, 1,562,461.23 and 622,909.78 is: 859,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,218.34 : 1,562,461.23 = 622,909.78 : x
  2. Step 2: Convert to fraction form
    1,132,218.34/1,562,461.23 = 622,909.78/x
  3. Step 3: Cross multiply
    1,132,218.34x = 1,562,461.23 × 622,909.78
  4. Step 4: Simplify right side
    1,132,218.34x = 973,272,381,037.83
  5. Step 5: Solve for x
    x = 973,272,381,037.83/1,132,218.34
  6. Step 6: Final answer
    x = 859,615.45

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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.