Home / 849,100.14-1,171,925.68-486,767.30

Finding the Fourth Proportional to 849,100.14, 1,171,925.68 and 486,767.30

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Solution

The fourth proportional to 849,100.14, 1,171,925.68 and 486,767.30 is: 671,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,100.14 : 1,171,925.68 = 486,767.30 : x
  2. Step 2: Convert to fraction form
    849,100.14/1,171,925.68 = 486,767.30/x
  3. Step 3: Cross multiply
    849,100.14x = 1,171,925.68 × 486,767.30
  4. Step 4: Simplify right side
    849,100.14x = 570,455,099,054.26
  5. Step 5: Solve for x
    x = 570,455,099,054.26/849,100.14
  6. Step 6: Final answer
    x = 671,834.89

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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.