Home / 910,181.41-1,256,080.51-496,740.83

Finding the Fourth Proportional to 910,181.41, 1,256,080.51 and 496,740.83

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Solution

The fourth proportional to 910,181.41, 1,256,080.51 and 496,740.83 is: 685,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,181.41 : 1,256,080.51 = 496,740.83 : x
  2. Step 2: Convert to fraction form
    910,181.41/1,256,080.51 = 496,740.83/x
  3. Step 3: Cross multiply
    910,181.41x = 1,256,080.51 × 496,740.83
  4. Step 4: Simplify right side
    910,181.41x = 623,946,468,803.82
  5. Step 5: Solve for x
    x = 623,946,468,803.82/910,181.41
  6. Step 6: Final answer
    x = 685,518.80

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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.