Home / 839,557.32-1,158,613.56-457,608.84

Finding the Fourth Proportional to 839,557.32, 1,158,613.56 and 457,608.84

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Solution

The fourth proportional to 839,557.32, 1,158,613.56 and 457,608.84 is: 631,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,557.32 : 1,158,613.56 = 457,608.84 : x
  2. Step 2: Convert to fraction form
    839,557.32/1,158,613.56 = 457,608.84/x
  3. Step 3: Cross multiply
    839,557.32x = 1,158,613.56 × 457,608.84
  4. Step 4: Simplify right side
    839,557.32x = 530,191,807,199.87
  5. Step 5: Solve for x
    x = 530,191,807,199.87/839,557.32
  6. Step 6: Final answer
    x = 631,513.53

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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.