Home / 1,108,023.81-1,528,980.96-624,707.73

Finding the Fourth Proportional to 1,108,023.81, 1,528,980.96 and 624,707.73

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Solution

The fourth proportional to 1,108,023.81, 1,528,980.96 and 624,707.73 is: 862,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,023.81 : 1,528,980.96 = 624,707.73 : x
  2. Step 2: Convert to fraction form
    1,108,023.81/1,528,980.96 = 624,707.73/x
  3. Step 3: Cross multiply
    1,108,023.81x = 1,528,980.96 × 624,707.73
  4. Step 4: Simplify right side
    1,108,023.81x = 955,166,224,734.82
  5. Step 5: Solve for x
    x = 955,166,224,734.82/1,108,023.81
  6. Step 6: Final answer
    x = 862,044.86

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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.