Home / 786,089.99-1,084,842.67-442,034.24

Finding the Fourth Proportional to 786,089.99, 1,084,842.67 and 442,034.24

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Solution

The fourth proportional to 786,089.99, 1,084,842.67 and 442,034.24 is: 610,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,089.99 : 1,084,842.67 = 442,034.24 : x
  2. Step 2: Convert to fraction form
    786,089.99/1,084,842.67 = 442,034.24/x
  3. Step 3: Cross multiply
    786,089.99x = 1,084,842.67 × 442,034.24
  4. Step 4: Simplify right side
    786,089.99x = 479,537,602,503.66
  5. Step 5: Solve for x
    x = 479,537,602,503.66/786,089.99
  6. Step 6: Final answer
    x = 610,028.89

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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.