Home / 927,587.40-1,390,812.48-394,805.04

Finding the Fourth Proportional to 927,587.40, 1,390,812.48 and 394,805.04

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Solution

The fourth proportional to 927,587.40, 1,390,812.48 and 394,805.04 is: 591,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,587.40 : 1,390,812.48 = 394,805.04 : x
  2. Step 2: Convert to fraction form
    927,587.40/1,390,812.48 = 394,805.04/x
  3. Step 3: Cross multiply
    927,587.40x = 1,390,812.48 × 394,805.04
  4. Step 4: Simplify right side
    927,587.40x = 549,099,776,798.90
  5. Step 5: Solve for x
    x = 549,099,776,798.90/927,587.40
  6. Step 6: Final answer
    x = 591,965.54

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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.