Home / 935,526.74-1,291,025.80-505,805.84

Finding the Fourth Proportional to 935,526.74, 1,291,025.80 and 505,805.84

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Solution

The fourth proportional to 935,526.74, 1,291,025.80 and 505,805.84 is: 698,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,526.74 : 1,291,025.80 = 505,805.84 : x
  2. Step 2: Convert to fraction form
    935,526.74/1,291,025.80 = 505,805.84/x
  3. Step 3: Cross multiply
    935,526.74x = 1,291,025.80 × 505,805.84
  4. Step 4: Simplify right side
    935,526.74x = 653,008,388,249.15
  5. Step 5: Solve for x
    x = 653,008,388,249.15/935,526.74
  6. Step 6: Final answer
    x = 698,011.47

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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.