Home / 790,182.76-1,090,443.90-427,598.68

Finding the Fourth Proportional to 790,182.76, 1,090,443.90 and 427,598.68

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Solution

The fourth proportional to 790,182.76, 1,090,443.90 and 427,598.68 is: 590,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,182.76 : 1,090,443.90 = 427,598.68 : x
  2. Step 2: Convert to fraction form
    790,182.76/1,090,443.90 = 427,598.68/x
  3. Step 3: Cross multiply
    790,182.76x = 1,090,443.90 × 427,598.68
  4. Step 4: Simplify right side
    790,182.76x = 466,272,372,254.05
  5. Step 5: Solve for x
    x = 466,272,372,254.05/790,182.76
  6. Step 6: Final answer
    x = 590,081.68

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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.