Home / 786,154.42-1,084,922.13-446,680.18

Finding the Fourth Proportional to 786,154.42, 1,084,922.13 and 446,680.18

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Solution

The fourth proportional to 786,154.42, 1,084,922.13 and 446,680.18 is: 616,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,154.42 : 1,084,922.13 = 446,680.18 : x
  2. Step 2: Convert to fraction form
    786,154.42/1,084,922.13 = 446,680.18/x
  3. Step 3: Cross multiply
    786,154.42x = 1,084,922.13 × 446,680.18
  4. Step 4: Simplify right side
    786,154.42x = 484,613,212,314.38
  5. Step 5: Solve for x
    x = 484,613,212,314.38/786,154.42
  6. Step 6: Final answer
    x = 616,435.14

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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.