Home / 644,151.61-961,889.65-526,057.21

Finding the Fourth Proportional to 644,151.61, 961,889.65 and 526,057.21

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Solution

The fourth proportional to 644,151.61, 961,889.65 and 526,057.21 is: 785,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,151.61 : 961,889.65 = 526,057.21 : x
  2. Step 2: Convert to fraction form
    644,151.61/961,889.65 = 526,057.21/x
  3. Step 3: Cross multiply
    644,151.61x = 961,889.65 × 526,057.21
  4. Step 4: Simplify right side
    644,151.61x = 506,008,986,922.02
  5. Step 5: Solve for x
    x = 506,008,986,922.02/644,151.61
  6. Step 6: Final answer
    x = 785,543.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.