Home / 1,205,280.14-1,663,307.01-661,466.53

Finding the Fourth Proportional to 1,205,280.14, 1,663,307.01 and 661,466.53

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Solution

The fourth proportional to 1,205,280.14, 1,663,307.01 and 661,466.53 is: 912,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,280.14 : 1,663,307.01 = 661,466.53 : x
  2. Step 2: Convert to fraction form
    1,205,280.14/1,663,307.01 = 661,466.53/x
  3. Step 3: Cross multiply
    1,205,280.14x = 1,663,307.01 × 661,466.53
  4. Step 4: Simplify right side
    1,205,280.14x = 1,100,221,907,912.84
  5. Step 5: Solve for x
    x = 1,100,221,907,912.84/1,205,280.14
  6. Step 6: Final answer
    x = 912,835.01

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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.