Home / 1,201,171.61-1,657,616.96-657,307.52

Finding the Fourth Proportional to 1,201,171.61, 1,657,616.96 and 657,307.52

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Solution

The fourth proportional to 1,201,171.61, 1,657,616.96 and 657,307.52 is: 907,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,171.61 : 1,657,616.96 = 657,307.52 : x
  2. Step 2: Convert to fraction form
    1,201,171.61/1,657,616.96 = 657,307.52/x
  3. Step 3: Cross multiply
    1,201,171.61x = 1,657,616.96 × 657,307.52
  4. Step 4: Simplify right side
    1,201,171.61x = 1,089,564,081,512.92
  5. Step 5: Solve for x
    x = 1,089,564,081,512.92/1,201,171.61
  6. Step 6: Final answer
    x = 907,084.44

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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.