Home / 1,022,987.53-1,411,806.87-564,191.86

Finding the Fourth Proportional to 1,022,987.53, 1,411,806.87 and 564,191.86

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Solution

The fourth proportional to 1,022,987.53, 1,411,806.87 and 564,191.86 is: 778,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,987.53 : 1,411,806.87 = 564,191.86 : x
  2. Step 2: Convert to fraction form
    1,022,987.53/1,411,806.87 = 564,191.86/x
  3. Step 3: Cross multiply
    1,022,987.53x = 1,411,806.87 × 564,191.86
  4. Step 4: Simplify right side
    1,022,987.53x = 796,529,943,946.08
  5. Step 5: Solve for x
    x = 796,529,943,946.08/1,022,987.53
  6. Step 6: Final answer
    x = 778,631.14

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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.