Home / 809,417.32-1,117,989.36-606,376.24

Finding the Fourth Proportional to 809,417.32, 1,117,989.36 and 606,376.24

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Solution

The fourth proportional to 809,417.32, 1,117,989.36 and 606,376.24 is: 837,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,417.32 : 1,117,989.36 = 606,376.24 : x
  2. Step 2: Convert to fraction form
    809,417.32/1,117,989.36 = 606,376.24/x
  3. Step 3: Cross multiply
    809,417.32x = 1,117,989.36 × 606,376.24
  4. Step 4: Simplify right side
    809,417.32x = 677,922,184,476.81
  5. Step 5: Solve for x
    x = 677,922,184,476.81/809,417.32
  6. Step 6: Final answer
    x = 837,543.46

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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.