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Finding the Fourth Proportional to 856,841.68, 1,277,602.13 and 833,300.51

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Solution

The fourth proportional to 856,841.68, 1,277,602.13 and 833,300.51 is: 1,242,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,841.68 : 1,277,602.13 = 833,300.51 : x
  2. Step 2: Convert to fraction form
    856,841.68/1,277,602.13 = 833,300.51/x
  3. Step 3: Cross multiply
    856,841.68x = 1,277,602.13 × 833,300.51
  4. Step 4: Simplify right side
    856,841.68x = 1,064,626,495,951.57
  5. Step 5: Solve for x
    x = 1,064,626,495,951.57/856,841.68
  6. Step 6: Final answer
    x = 1,242,500.83

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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.