Home / 1,022,987.03-1,411,806.18-564,191.36

Finding the Fourth Proportional to 1,022,987.03, 1,411,806.18 and 564,191.36

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Solution

The fourth proportional to 1,022,987.03, 1,411,806.18 and 564,191.36 is: 778,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,987.03 : 1,411,806.18 = 564,191.36 : x
  2. Step 2: Convert to fraction form
    1,022,987.03/1,411,806.18 = 564,191.36/x
  3. Step 3: Cross multiply
    1,022,987.03x = 1,411,806.18 × 564,191.36
  4. Step 4: Simplify right side
    1,022,987.03x = 796,528,848,750.61
  5. Step 5: Solve for x
    x = 796,528,848,750.61/1,022,987.03
  6. Step 6: Final answer
    x = 778,630.45

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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.