Home / 1,114,114.74-1,537,515.21-630,669.90

Finding the Fourth Proportional to 1,114,114.74, 1,537,515.21 and 630,669.90

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Solution

The fourth proportional to 1,114,114.74, 1,537,515.21 and 630,669.90 is: 870,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,114.74 : 1,537,515.21 = 630,669.90 : x
  2. Step 2: Convert to fraction form
    1,114,114.74/1,537,515.21 = 630,669.90/x
  3. Step 3: Cross multiply
    1,114,114.74x = 1,537,515.21 × 630,669.90
  4. Step 4: Simplify right side
    1,114,114.74x = 969,664,563,739.18
  5. Step 5: Solve for x
    x = 969,664,563,739.18/1,114,114.74
  6. Step 6: Final answer
    x = 870,345.33

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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.