Home / 762,117.96-1,051,809.39-439,914.54

Finding the Fourth Proportional to 762,117.96, 1,051,809.39 and 439,914.54

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Solution

The fourth proportional to 762,117.96, 1,051,809.39 and 439,914.54 is: 607,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,117.96 : 1,051,809.39 = 439,914.54 : x
  2. Step 2: Convert to fraction form
    762,117.96/1,051,809.39 = 439,914.54/x
  3. Step 3: Cross multiply
    762,117.96x = 1,051,809.39 × 439,914.54
  4. Step 4: Simplify right side
    762,117.96x = 462,706,243,969.53
  5. Step 5: Solve for x
    x = 462,706,243,969.53/762,117.96
  6. Step 6: Final answer
    x = 607,132.06

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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.