Home / 898,994.16-1,240,636.22-536,628.21

Finding the Fourth Proportional to 898,994.16, 1,240,636.22 and 536,628.21

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Solution

The fourth proportional to 898,994.16, 1,240,636.22 and 536,628.21 is: 740,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,994.16 : 1,240,636.22 = 536,628.21 : x
  2. Step 2: Convert to fraction form
    898,994.16/1,240,636.22 = 536,628.21/x
  3. Step 3: Cross multiply
    898,994.16x = 1,240,636.22 × 536,628.21
  4. Step 4: Simplify right side
    898,994.16x = 665,760,393,999.77
  5. Step 5: Solve for x
    x = 665,760,393,999.77/898,994.16
  6. Step 6: Final answer
    x = 740,561.42

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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.