Home / 839,084.81-1,157,904.05-512,943.98

Finding the Fourth Proportional to 839,084.81, 1,157,904.05 and 512,943.98

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Solution

The fourth proportional to 839,084.81, 1,157,904.05 and 512,943.98 is: 707,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,084.81 : 1,157,904.05 = 512,943.98 : x
  2. Step 2: Convert to fraction form
    839,084.81/1,157,904.05 = 512,943.98/x
  3. Step 3: Cross multiply
    839,084.81x = 1,157,904.05 × 512,943.98
  4. Step 4: Simplify right side
    839,084.81x = 593,939,903,510.88
  5. Step 5: Solve for x
    x = 593,939,903,510.88/839,084.81
  6. Step 6: Final answer
    x = 707,842.52

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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.