Home / 935,805.47-1,291,415.43-506,085.60

Finding the Fourth Proportional to 935,805.47, 1,291,415.43 and 506,085.60

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Solution

The fourth proportional to 935,805.47, 1,291,415.43 and 506,085.60 is: 698,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,805.47 : 1,291,415.43 = 506,085.60 : x
  2. Step 2: Convert to fraction form
    935,805.47/1,291,415.43 = 506,085.60/x
  3. Step 3: Cross multiply
    935,805.47x = 1,291,415.43 × 506,085.60
  4. Step 4: Simplify right side
    935,805.47x = 653,566,759,481.44
  5. Step 5: Solve for x
    x = 653,566,759,481.44/935,805.47
  6. Step 6: Final answer
    x = 698,400.23

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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.