Home / 1,688,949.76-2,533,590.60-490,882

Finding the Fourth Proportional to 1,688,949.76, 2,533,590.60 and 490,882

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Solution

The fourth proportional to 1,688,949.76, 2,533,590.60 and 490,882 is: 736,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,949.76 : 2,533,590.60 = 490,882 : x
  2. Step 2: Convert to fraction form
    1,688,949.76/2,533,590.60 = 490,882/x
  3. Step 3: Cross multiply
    1,688,949.76x = 2,533,590.60 × 490,882
  4. Step 4: Simplify right side
    1,688,949.76x = 1,243,694,020,909.20
  5. Step 5: Solve for x
    x = 1,243,694,020,909.20/1,688,949.76
  6. Step 6: Final answer
    x = 736,371.24

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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.