Home / 739,211.40-1,020,111.44-416,920.77

Finding the Fourth Proportional to 739,211.40, 1,020,111.44 and 416,920.77

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Solution

The fourth proportional to 739,211.40, 1,020,111.44 and 416,920.77 is: 575,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,211.40 : 1,020,111.44 = 416,920.77 : x
  2. Step 2: Convert to fraction form
    739,211.40/1,020,111.44 = 416,920.77/x
  3. Step 3: Cross multiply
    739,211.40x = 1,020,111.44 × 416,920.77
  4. Step 4: Simplify right side
    739,211.40x = 425,305,644,966.01
  5. Step 5: Solve for x
    x = 425,305,644,966.01/739,211.40
  6. Step 6: Final answer
    x = 575,350.50

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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.