Home / 903,920.58-1,247,406.98-496,029.24

Finding the Fourth Proportional to 903,920.58, 1,247,406.98 and 496,029.24

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Solution

The fourth proportional to 903,920.58, 1,247,406.98 and 496,029.24 is: 684,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,920.58 : 1,247,406.98 = 496,029.24 : x
  2. Step 2: Convert to fraction form
    903,920.58/1,247,406.98 = 496,029.24/x
  3. Step 3: Cross multiply
    903,920.58x = 1,247,406.98 × 496,029.24
  4. Step 4: Simplify right side
    903,920.58x = 618,750,333,779.95
  5. Step 5: Solve for x
    x = 618,750,333,779.95/903,920.58
  6. Step 6: Final answer
    x = 684,518.47

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Double scale
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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.