Home / 1,048,756.85-1,572,801.75-338,619.72

Finding the Fourth Proportional to 1,048,756.85, 1,572,801.75 and 338,619.72

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Solution

The fourth proportional to 1,048,756.85, 1,572,801.75 and 338,619.72 is: 507,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,756.85 : 1,572,801.75 = 338,619.72 : x
  2. Step 2: Convert to fraction form
    1,048,756.85/1,572,801.75 = 338,619.72/x
  3. Step 3: Cross multiply
    1,048,756.85x = 1,572,801.75 × 338,619.72
  4. Step 4: Simplify right side
    1,048,756.85x = 532,581,688,200.51
  5. Step 5: Solve for x
    x = 532,581,688,200.51/1,048,756.85
  6. Step 6: Final answer
    x = 507,821.89

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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.