Home / 712,386.09-1,068,611.94-396,605.16

Finding the Fourth Proportional to 712,386.09, 1,068,611.94 and 396,605.16

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Solution

The fourth proportional to 712,386.09, 1,068,611.94 and 396,605.16 is: 594,926.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,386.09 : 1,068,611.94 = 396,605.16 : x
  2. Step 2: Convert to fraction form
    712,386.09/1,068,611.94 = 396,605.16/x
  3. Step 3: Cross multiply
    712,386.09x = 1,068,611.94 × 396,605.16
  4. Step 4: Simplify right side
    712,386.09x = 423,817,009,441.61
  5. Step 5: Solve for x
    x = 423,817,009,441.61/712,386.09
  6. Step 6: Final answer
    x = 594,926.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.