Home / 1,243,307.52-1,715,748-699,441.60

Finding the Fourth Proportional to 1,243,307.52, 1,715,748 and 699,441.60

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Solution

The fourth proportional to 1,243,307.52, 1,715,748 and 699,441.60 is: 965,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,307.52 : 1,715,748 = 699,441.60 : x
  2. Step 2: Convert to fraction form
    1,243,307.52/1,715,748 = 699,441.60/x
  3. Step 3: Cross multiply
    1,243,307.52x = 1,715,748 × 699,441.60
  4. Step 4: Simplify right side
    1,243,307.52x = 1,200,065,526,316.80
  5. Step 5: Solve for x
    x = 1,200,065,526,316.80/1,243,307.52
  6. Step 6: Final answer
    x = 965,220.19

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Double scale
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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.