Home / 1,201,187.84-1,657,639.42-657,323.77

Finding the Fourth Proportional to 1,201,187.84, 1,657,639.42 and 657,323.77

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Solution

The fourth proportional to 1,201,187.84, 1,657,639.42 and 657,323.77 is: 907,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,187.84 : 1,657,639.42 = 657,323.77 : x
  2. Step 2: Convert to fraction form
    1,201,187.84/1,657,639.42 = 657,323.77/x
  3. Step 3: Cross multiply
    1,201,187.84x = 1,657,639.42 × 657,323.77
  4. Step 4: Simplify right side
    1,201,187.84x = 1,089,605,781,280.20
  5. Step 5: Solve for x
    x = 1,089,605,781,280.20/1,201,187.84
  6. Step 6: Final answer
    x = 907,106.91

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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.