Home / 980,590.94-1,353,068.20-550,788.74

Finding the Fourth Proportional to 980,590.94, 1,353,068.20 and 550,788.74

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Solution

The fourth proportional to 980,590.94, 1,353,068.20 and 550,788.74 is: 760,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,590.94 : 1,353,068.20 = 550,788.74 : x
  2. Step 2: Convert to fraction form
    980,590.94/1,353,068.20 = 550,788.74/x
  3. Step 3: Cross multiply
    980,590.94x = 1,353,068.20 × 550,788.74
  4. Step 4: Simplify right side
    980,590.94x = 745,254,729,012.07
  5. Step 5: Solve for x
    x = 745,254,729,012.07/980,590.94
  6. Step 6: Final answer
    x = 760,005.73

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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.