Home / 683,129.29-942,984.27-611,384.71

Finding the Fourth Proportional to 683,129.29, 942,984.27 and 611,384.71

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Solution

The fourth proportional to 683,129.29, 942,984.27 and 611,384.71 is: 843,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,129.29 : 942,984.27 = 611,384.71 : x
  2. Step 2: Convert to fraction form
    683,129.29/942,984.27 = 611,384.71/x
  3. Step 3: Cross multiply
    683,129.29x = 942,984.27 × 611,384.71
  4. Step 4: Simplify right side
    683,129.29x = 576,526,164,448.51
  5. Step 5: Solve for x
    x = 576,526,164,448.51/683,129.29
  6. Step 6: Final answer
    x = 843,948.83

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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.