Home / 1,530,141.08-2,111,594.65-841,798.15

Finding the Fourth Proportional to 1,530,141.08, 2,111,594.65 and 841,798.15

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Solution

The fourth proportional to 1,530,141.08, 2,111,594.65 and 841,798.15 is: 1,161,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,141.08 : 2,111,594.65 = 841,798.15 : x
  2. Step 2: Convert to fraction form
    1,530,141.08/2,111,594.65 = 841,798.15/x
  3. Step 3: Cross multiply
    1,530,141.08x = 2,111,594.65 × 841,798.15
  4. Step 4: Simplify right side
    1,530,141.08x = 1,777,536,479,149.25
  5. Step 5: Solve for x
    x = 1,777,536,479,149.25/1,530,141.08
  6. Step 6: Final answer
    x = 1,161,681.43

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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.