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Finding the Fourth Proportional to 856,842.15, 1,277,602.82 and 833,300.97

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Solution

The fourth proportional to 856,842.15, 1,277,602.82 and 833,300.97 is: 1,242,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,842.15 : 1,277,602.82 = 833,300.97 : x
  2. Step 2: Convert to fraction form
    856,842.15/1,277,602.82 = 833,300.97/x
  3. Step 3: Cross multiply
    856,842.15x = 1,277,602.82 × 833,300.97
  4. Step 4: Simplify right side
    856,842.15x = 1,064,627,668,139.11
  5. Step 5: Solve for x
    x = 1,064,627,668,139.11/856,842.15
  6. Step 6: Final answer
    x = 1,242,501.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.