Home / 840,978.48-1,161,151.02-519,125.52

Finding the Fourth Proportional to 840,978.48, 1,161,151.02 and 519,125.52

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Solution

The fourth proportional to 840,978.48, 1,161,151.02 and 519,125.52 is: 716,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,978.48 : 1,161,151.02 = 519,125.52 : x
  2. Step 2: Convert to fraction form
    840,978.48/1,161,151.02 = 519,125.52/x
  3. Step 3: Cross multiply
    840,978.48x = 1,161,151.02 × 519,125.52
  4. Step 4: Simplify right side
    840,978.48x = 602,783,127,056.03
  5. Step 5: Solve for x
    x = 602,783,127,056.03/840,978.48
  6. Step 6: Final answer
    x = 716,764.03

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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.