Home / 803,536.68-1,205,305.02-626,176.45

Finding the Fourth Proportional to 803,536.68, 1,205,305.02 and 626,176.45

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Solution

The fourth proportional to 803,536.68, 1,205,305.02 and 626,176.45 is: 939,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,536.68 : 1,205,305.02 = 626,176.45 : x
  2. Step 2: Convert to fraction form
    803,536.68/1,205,305.02 = 626,176.45/x
  3. Step 3: Cross multiply
    803,536.68x = 1,205,305.02 × 626,176.45
  4. Step 4: Simplify right side
    803,536.68x = 754,733,618,590.78
  5. Step 5: Solve for x
    x = 754,733,618,590.78/803,536.68
  6. Step 6: Final answer
    x = 939,264.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.