Home / 984,459.15-1,476,735.63-478,417.23

Finding the Fourth Proportional to 984,459.15, 1,476,735.63 and 478,417.23

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Solution

The fourth proportional to 984,459.15, 1,476,735.63 and 478,417.23 is: 717,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,459.15 : 1,476,735.63 = 478,417.23 : x
  2. Step 2: Convert to fraction form
    984,459.15/1,476,735.63 = 478,417.23/x
  3. Step 3: Cross multiply
    984,459.15x = 1,476,735.63 × 478,417.23
  4. Step 4: Simplify right side
    984,459.15x = 706,495,769,546.91
  5. Step 5: Solve for x
    x = 706,495,769,546.91/984,459.15
  6. Step 6: Final answer
    x = 717,648.64

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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.