Home / 1,959,631.50-2,939,457.16-611,681.11

Finding the Fourth Proportional to 1,959,631.50, 2,939,457.16 and 611,681.11

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Solution

The fourth proportional to 1,959,631.50, 2,939,457.16 and 611,681.11 is: 917,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,631.50 : 2,939,457.16 = 611,681.11 : x
  2. Step 2: Convert to fraction form
    1,959,631.50/2,939,457.16 = 611,681.11/x
  3. Step 3: Cross multiply
    1,959,631.50x = 2,939,457.16 × 611,681.11
  4. Step 4: Simplify right side
    1,959,631.50x = 1,798,010,409,548.40
  5. Step 5: Solve for x
    x = 1,798,010,409,548.40/1,959,631.50
  6. Step 6: Final answer
    x = 917,524.75

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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.