Home / 985,743.48-1,478,615.64-416,977.12

Finding the Fourth Proportional to 985,743.48, 1,478,615.64 and 416,977.12

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Solution

The fourth proportional to 985,743.48, 1,478,615.64 and 416,977.12 is: 625,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,743.48 : 1,478,615.64 = 416,977.12 : x
  2. Step 2: Convert to fraction form
    985,743.48/1,478,615.64 = 416,977.12/x
  3. Step 3: Cross multiply
    985,743.48x = 1,478,615.64 × 416,977.12
  4. Step 4: Simplify right side
    985,743.48x = 616,548,891,154.16
  5. Step 5: Solve for x
    x = 616,548,891,154.16/985,743.48
  6. Step 6: Final answer
    x = 625,465.86

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1.5x scale

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.