Home / 839,384.61-1,158,350.81-457,411.29

Finding the Fourth Proportional to 839,384.61, 1,158,350.81 and 457,411.29

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Solution

The fourth proportional to 839,384.61, 1,158,350.81 and 457,411.29 is: 631,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,384.61 : 1,158,350.81 = 457,411.29 : x
  2. Step 2: Convert to fraction form
    839,384.61/1,158,350.81 = 457,411.29/x
  3. Step 3: Cross multiply
    839,384.61x = 1,158,350.81 × 457,411.29
  4. Step 4: Simplify right side
    839,384.61x = 529,842,735,987.59
  5. Step 5: Solve for x
    x = 529,842,735,987.59/839,384.61
  6. Step 6: Final answer
    x = 631,227.60

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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.