Home / 943,220.52-1,301,814.09-556,012.85

Finding the Fourth Proportional to 943,220.52, 1,301,814.09 and 556,012.85

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Solution

The fourth proportional to 943,220.52, 1,301,814.09 and 556,012.85 is: 767,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,220.52 : 1,301,814.09 = 556,012.85 : x
  2. Step 2: Convert to fraction form
    943,220.52/1,301,814.09 = 556,012.85/x
  3. Step 3: Cross multiply
    943,220.52x = 1,301,814.09 × 556,012.85
  4. Step 4: Simplify right side
    943,220.52x = 723,825,355,841.99
  5. Step 5: Solve for x
    x = 723,825,355,841.99/943,220.52
  6. Step 6: Final answer
    x = 767,397.80

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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.