Home / 898,853.35-1,238,813.53-680,538.94

Finding the Fourth Proportional to 898,853.35, 1,238,813.53 and 680,538.94

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Solution

The fourth proportional to 898,853.35, 1,238,813.53 and 680,538.94 is: 937,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,853.35 : 1,238,813.53 = 680,538.94 : x
  2. Step 2: Convert to fraction form
    898,853.35/1,238,813.53 = 680,538.94/x
  3. Step 3: Cross multiply
    898,853.35x = 1,238,813.53 × 680,538.94
  4. Step 4: Simplify right side
    898,853.35x = 843,060,844,317.50
  5. Step 5: Solve for x
    x = 843,060,844,317.50/898,853.35
  6. Step 6: Final answer
    x = 937,929.24

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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.