Home / 1,228,698.53-1,841,600.21-553,989.90

Finding the Fourth Proportional to 1,228,698.53, 1,841,600.21 and 553,989.90

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Solution

The fourth proportional to 1,228,698.53, 1,841,600.21 and 553,989.90 is: 830,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,698.53 : 1,841,600.21 = 553,989.90 : x
  2. Step 2: Convert to fraction form
    1,228,698.53/1,841,600.21 = 553,989.90/x
  3. Step 3: Cross multiply
    1,228,698.53x = 1,841,600.21 × 553,989.90
  4. Step 4: Simplify right side
    1,228,698.53x = 1,020,227,909,954.93
  5. Step 5: Solve for x
    x = 1,020,227,909,954.93/1,228,698.53
  6. Step 6: Final answer
    x = 830,332.16

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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.