Home / 935,599.37-1,291,126.28-505,878.57

Finding the Fourth Proportional to 935,599.37, 1,291,126.28 and 505,878.57

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Solution

The fourth proportional to 935,599.37, 1,291,126.28 and 505,878.57 is: 698,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,599.37 : 1,291,126.28 = 505,878.57 : x
  2. Step 2: Convert to fraction form
    935,599.37/1,291,126.28 = 505,878.57/x
  3. Step 3: Cross multiply
    935,599.37x = 1,291,126.28 × 505,878.57
  4. Step 4: Simplify right side
    935,599.37x = 653,153,113,686.43
  5. Step 5: Solve for x
    x = 653,153,113,686.43/935,599.37
  6. Step 6: Final answer
    x = 698,111.97

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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.