Home / 810,699.67-1,118,876.69-466,528.55

Finding the Fourth Proportional to 810,699.67, 1,118,876.69 and 466,528.55

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Solution

The fourth proportional to 810,699.67, 1,118,876.69 and 466,528.55 is: 643,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,699.67 : 1,118,876.69 = 466,528.55 : x
  2. Step 2: Convert to fraction form
    810,699.67/1,118,876.69 = 466,528.55/x
  3. Step 3: Cross multiply
    810,699.67x = 1,118,876.69 × 466,528.55
  4. Step 4: Simplify right side
    810,699.67x = 521,987,915,386.44
  5. Step 5: Solve for x
    x = 521,987,915,386.44/810,699.67
  6. Step 6: Final answer
    x = 643,873.35

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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.