Home / 898,741.22-1,239,693.32-683,409.20

Finding the Fourth Proportional to 898,741.22, 1,239,693.32 and 683,409.20

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Solution

The fourth proportional to 898,741.22, 1,239,693.32 and 683,409.20 is: 942,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,741.22 : 1,239,693.32 = 683,409.20 : x
  2. Step 2: Convert to fraction form
    898,741.22/1,239,693.32 = 683,409.20/x
  3. Step 3: Cross multiply
    898,741.22x = 1,239,693.32 × 683,409.20
  4. Step 4: Simplify right side
    898,741.22x = 847,217,820,066.54
  5. Step 5: Solve for x
    x = 847,217,820,066.54/898,741.22
  6. Step 6: Final answer
    x = 942,671.60

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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.