Home / 839,507.20-1,158,486.16-457,525.76

Finding the Fourth Proportional to 839,507.20, 1,158,486.16 and 457,525.76

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Solution

The fourth proportional to 839,507.20, 1,158,486.16 and 457,525.76 is: 631,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,507.20 : 1,158,486.16 = 457,525.76 : x
  2. Step 2: Convert to fraction form
    839,507.20/1,158,486.16 = 457,525.76/x
  3. Step 3: Cross multiply
    839,507.20x = 1,158,486.16 × 457,525.76
  4. Step 4: Simplify right side
    839,507.20x = 530,037,260,803.48
  5. Step 5: Solve for x
    x = 530,037,260,803.48/839,507.20
  6. Step 6: Final answer
    x = 631,367.14

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Double scale
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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.