Home / 1,078,881.40-1,616,968.88-572,191.77

Finding the Fourth Proportional to 1,078,881.40, 1,616,968.88 and 572,191.77

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Solution

The fourth proportional to 1,078,881.40, 1,616,968.88 and 572,191.77 is: 857,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,881.40 : 1,616,968.88 = 572,191.77 : x
  2. Step 2: Convert to fraction form
    1,078,881.40/1,616,968.88 = 572,191.77/x
  3. Step 3: Cross multiply
    1,078,881.40x = 1,616,968.88 × 572,191.77
  4. Step 4: Simplify right side
    1,078,881.40x = 925,216,285,482.12
  5. Step 5: Solve for x
    x = 925,216,285,482.12/1,078,881.40
  6. Step 6: Final answer
    x = 857,569.97

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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.