Home / 1,557,230.25-2,148,980.63-841,838.25

Finding the Fourth Proportional to 1,557,230.25, 2,148,980.63 and 841,838.25

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Solution

The fourth proportional to 1,557,230.25, 2,148,980.63 and 841,838.25 is: 1,161,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,230.25 : 2,148,980.63 = 841,838.25 : x
  2. Step 2: Convert to fraction form
    1,557,230.25/2,148,980.63 = 841,838.25/x
  3. Step 3: Cross multiply
    1,557,230.25x = 2,148,980.63 × 841,838.25
  4. Step 4: Simplify right side
    1,557,230.25x = 1,809,094,088,633.91
  5. Step 5: Solve for x
    x = 1,809,094,088,633.91/1,557,230.25
  6. Step 6: Final answer
    x = 1,161,738.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.