Home / 832,308.37-1,148,462.37-505,451.40

Finding the Fourth Proportional to 832,308.37, 1,148,462.37 and 505,451.40

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Solution

The fourth proportional to 832,308.37, 1,148,462.37 and 505,451.40 is: 697,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,308.37 : 1,148,462.37 = 505,451.40 : x
  2. Step 2: Convert to fraction form
    832,308.37/1,148,462.37 = 505,451.40/x
  3. Step 3: Cross multiply
    832,308.37x = 1,148,462.37 × 505,451.40
  4. Step 4: Simplify right side
    832,308.37x = 580,491,912,763.82
  5. Step 5: Solve for x
    x = 580,491,912,763.82/832,308.37
  6. Step 6: Final answer
    x = 697,448.13

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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.