Home / 873,851.19-1,205,890.16-486,666.47

Finding the Fourth Proportional to 873,851.19, 1,205,890.16 and 486,666.47

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Solution

The fourth proportional to 873,851.19, 1,205,890.16 and 486,666.47 is: 671,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,851.19 : 1,205,890.16 = 486,666.47 : x
  2. Step 2: Convert to fraction form
    873,851.19/1,205,890.16 = 486,666.47/x
  3. Step 3: Cross multiply
    873,851.19x = 1,205,890.16 × 486,666.47
  4. Step 4: Simplify right side
    873,851.19x = 586,866,298,912.15
  5. Step 5: Solve for x
    x = 586,866,298,912.15/873,851.19
  6. Step 6: Final answer
    x = 671,586.08

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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.