Home / 1,148,137.07-1,584,427.68-712,392.35

Finding the Fourth Proportional to 1,148,137.07, 1,584,427.68 and 712,392.35

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Solution

The fourth proportional to 1,148,137.07, 1,584,427.68 and 712,392.35 is: 983,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,137.07 : 1,584,427.68 = 712,392.35 : x
  2. Step 2: Convert to fraction form
    1,148,137.07/1,584,427.68 = 712,392.35/x
  3. Step 3: Cross multiply
    1,148,137.07x = 1,584,427.68 × 712,392.35
  4. Step 4: Simplify right side
    1,148,137.07x = 1,128,734,165,533.94
  5. Step 5: Solve for x
    x = 1,128,734,165,533.94/1,148,137.07
  6. Step 6: Final answer
    x = 983,100.53

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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.