Home / 1,095,557.70-1,643,336.55-385,695.30

Finding the Fourth Proportional to 1,095,557.70, 1,643,336.55 and 385,695.30

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Solution

The fourth proportional to 1,095,557.70, 1,643,336.55 and 385,695.30 is: 578,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,557.70 : 1,643,336.55 = 385,695.30 : x
  2. Step 2: Convert to fraction form
    1,095,557.70/1,643,336.55 = 385,695.30/x
  3. Step 3: Cross multiply
    1,095,557.70x = 1,643,336.55 × 385,695.30
  4. Step 4: Simplify right side
    1,095,557.70x = 633,827,183,653.22
  5. Step 5: Solve for x
    x = 633,827,183,653.22/1,095,557.70
  6. Step 6: Final answer
    x = 578,542.95

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Double scale
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Similar ratio
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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.