Home / 985,020.21-1,359,269.30-571,525.07

Finding the Fourth Proportional to 985,020.21, 1,359,269.30 and 571,525.07

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Solution

The fourth proportional to 985,020.21, 1,359,269.30 and 571,525.07 is: 788,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,020.21 : 1,359,269.30 = 571,525.07 : x
  2. Step 2: Convert to fraction form
    985,020.21/1,359,269.30 = 571,525.07/x
  3. Step 3: Cross multiply
    985,020.21x = 1,359,269.30 × 571,525.07
  4. Step 4: Simplify right side
    985,020.21x = 776,856,476,463.82
  5. Step 5: Solve for x
    x = 776,856,476,463.82/985,020.21
  6. Step 6: Final answer
    x = 788,670.60

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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.