Home / 432,329.07-595,293.41-391,779.05

Finding the Fourth Proportional to 432,329.07, 595,293.41 and 391,779.05

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Solution

The fourth proportional to 432,329.07, 595,293.41 and 391,779.05 is: 539,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,329.07 : 595,293.41 = 391,779.05 : x
  2. Step 2: Convert to fraction form
    432,329.07/595,293.41 = 391,779.05/x
  3. Step 3: Cross multiply
    432,329.07x = 595,293.41 × 391,779.05
  4. Step 4: Simplify right side
    432,329.07x = 233,223,481,705.70
  5. Step 5: Solve for x
    x = 233,223,481,705.70/432,329.07
  6. Step 6: Final answer
    x = 539,458.25

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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.