Home / 1,185,608.33-1,778,210.19-427,298.88

Finding the Fourth Proportional to 1,185,608.33, 1,778,210.19 and 427,298.88

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Solution

The fourth proportional to 1,185,608.33, 1,778,210.19 and 427,298.88 is: 640,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,608.33 : 1,778,210.19 = 427,298.88 : x
  2. Step 2: Convert to fraction form
    1,185,608.33/1,778,210.19 = 427,298.88/x
  3. Step 3: Cross multiply
    1,185,608.33x = 1,778,210.19 × 427,298.88
  4. Step 4: Simplify right side
    1,185,608.33x = 759,827,222,591.59
  5. Step 5: Solve for x
    x = 759,827,222,591.59/1,185,608.33
  6. Step 6: Final answer
    x = 640,875.41

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1.5x scale

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.