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Finding the Fourth Proportional to 1,136,328, 1,568,070.88 and 626,930.88

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Solution

The fourth proportional to 1,136,328, 1,568,070.88 and 626,930.88 is: 865,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,328 : 1,568,070.88 = 626,930.88 : x
  2. Step 2: Convert to fraction form
    1,136,328/1,568,070.88 = 626,930.88/x
  3. Step 3: Cross multiply
    1,136,328x = 1,568,070.88 × 626,930.88
  4. Step 4: Simplify right side
    1,136,328x = 983,072,056,700.77
  5. Step 5: Solve for x
    x = 983,072,056,700.77/1,136,328
  6. Step 6: Final answer
    x = 865,130.54

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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.