Home / 849,145.60-1,171,829.64-486,561.61

Finding the Fourth Proportional to 849,145.60, 1,171,829.64 and 486,561.61

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Solution

The fourth proportional to 849,145.60, 1,171,829.64 and 486,561.61 is: 671,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,145.60 : 1,171,829.64 = 486,561.61 : x
  2. Step 2: Convert to fraction form
    849,145.60/1,171,829.64 = 486,561.61/x
  3. Step 3: Cross multiply
    849,145.60x = 1,171,829.64 × 486,561.61
  4. Step 4: Simplify right side
    849,145.60x = 570,167,316,284.12
  5. Step 5: Solve for x
    x = 570,167,316,284.12/849,145.60
  6. Step 6: Final answer
    x = 671,460.01

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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.