Home / 839,446.48-1,158,437.64-457,473.16

Finding the Fourth Proportional to 839,446.48, 1,158,437.64 and 457,473.16

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Solution

The fourth proportional to 839,446.48, 1,158,437.64 and 457,473.16 is: 631,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,446.48 : 1,158,437.64 = 457,473.16 : x
  2. Step 2: Convert to fraction form
    839,446.48/1,158,437.64 = 457,473.16/x
  3. Step 3: Cross multiply
    839,446.48x = 1,158,437.64 × 457,473.16
  4. Step 4: Simplify right side
    839,446.48x = 529,954,127,833.74
  5. Step 5: Solve for x
    x = 529,954,127,833.74/839,446.48
  6. Step 6: Final answer
    x = 631,313.78

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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.