Home / 1,020,822.70-1,531,117.40-272,927.02

Finding the Fourth Proportional to 1,020,822.70, 1,531,117.40 and 272,927.02

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Solution

The fourth proportional to 1,020,822.70, 1,531,117.40 and 272,927.02 is: 409,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,822.70 : 1,531,117.40 = 272,927.02 : x
  2. Step 2: Convert to fraction form
    1,020,822.70/1,531,117.40 = 272,927.02/x
  3. Step 3: Cross multiply
    1,020,822.70x = 1,531,117.40 × 272,927.02
  4. Step 4: Simplify right side
    1,020,822.70x = 417,883,309,252.15
  5. Step 5: Solve for x
    x = 417,883,309,252.15/1,020,822.70
  6. Step 6: Final answer
    x = 409,359.34

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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.