Home / 769,603.13-1,062,053.76-430,071.38

Finding the Fourth Proportional to 769,603.13, 1,062,053.76 and 430,071.38

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Solution

The fourth proportional to 769,603.13, 1,062,053.76 and 430,071.38 is: 593,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,603.13 : 1,062,053.76 = 430,071.38 : x
  2. Step 2: Convert to fraction form
    769,603.13/1,062,053.76 = 430,071.38/x
  3. Step 3: Cross multiply
    769,603.13x = 1,062,053.76 × 430,071.38
  4. Step 4: Simplify right side
    769,603.13x = 456,758,926,197.39
  5. Step 5: Solve for x
    x = 456,758,926,197.39/769,603.13
  6. Step 6: Final answer
    x = 593,499.31

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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.