Home / 839,417.78-1,158,392.71-457,444.46

Finding the Fourth Proportional to 839,417.78, 1,158,392.71 and 457,444.46

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Solution

The fourth proportional to 839,417.78, 1,158,392.71 and 457,444.46 is: 631,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,417.78 : 1,158,392.71 = 457,444.46 : x
  2. Step 2: Convert to fraction form
    839,417.78/1,158,392.71 = 457,444.46/x
  3. Step 3: Cross multiply
    839,417.78x = 1,158,392.71 × 457,444.46
  4. Step 4: Simplify right side
    839,417.78x = 529,900,331,161.67
  5. Step 5: Solve for x
    x = 529,900,331,161.67/839,417.78
  6. Step 6: Final answer
    x = 631,271.27

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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.