Home / 849,060.09-1,171,712.66-486,476.69

Finding the Fourth Proportional to 849,060.09, 1,171,712.66 and 486,476.69

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Solution

The fourth proportional to 849,060.09, 1,171,712.66 and 486,476.69 is: 671,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,060.09 : 1,171,712.66 = 486,476.69 : x
  2. Step 2: Convert to fraction form
    849,060.09/1,171,712.66 = 486,476.69/x
  3. Step 3: Cross multiply
    849,060.09x = 1,171,712.66 × 486,476.69
  4. Step 4: Simplify right side
    849,060.09x = 570,010,888,176.95
  5. Step 5: Solve for x
    x = 570,010,888,176.95/849,060.09
  6. Step 6: Final answer
    x = 671,343.40

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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.