Home / 670,840.26-1,006,726.95-433,594.50

Finding the Fourth Proportional to 670,840.26, 1,006,726.95 and 433,594.50

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Solution

The fourth proportional to 670,840.26, 1,006,726.95 and 433,594.50 is: 650,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,840.26 : 1,006,726.95 = 433,594.50 : x
  2. Step 2: Convert to fraction form
    670,840.26/1,006,726.95 = 433,594.50/x
  3. Step 3: Cross multiply
    670,840.26x = 1,006,726.95 × 433,594.50
  4. Step 4: Simplify right side
    670,840.26x = 436,511,268,521.78
  5. Step 5: Solve for x
    x = 436,511,268,521.78/670,840.26
  6. Step 6: Final answer
    x = 650,693.31

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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.