Home / 786,194.60-1,084,948.90-446,663.40

Finding the Fourth Proportional to 786,194.60, 1,084,948.90 and 446,663.40

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Solution

The fourth proportional to 786,194.60, 1,084,948.90 and 446,663.40 is: 616,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,194.60 : 1,084,948.90 = 446,663.40 : x
  2. Step 2: Convert to fraction form
    786,194.60/1,084,948.90 = 446,663.40/x
  3. Step 3: Cross multiply
    786,194.60x = 1,084,948.90 × 446,663.40
  4. Step 4: Simplify right side
    786,194.60x = 484,606,964,500.26
  5. Step 5: Solve for x
    x = 484,606,964,500.26/786,194.60
  6. Step 6: Final answer
    x = 616,395.69

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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.