Home / 1,272,200.63-1,909,246.95-514,048.68

Finding the Fourth Proportional to 1,272,200.63, 1,909,246.95 and 514,048.68

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Solution

The fourth proportional to 1,272,200.63, 1,909,246.95 and 514,048.68 is: 771,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,200.63 : 1,909,246.95 = 514,048.68 : x
  2. Step 2: Convert to fraction form
    1,272,200.63/1,909,246.95 = 514,048.68/x
  3. Step 3: Cross multiply
    1,272,200.63x = 1,909,246.95 × 514,048.68
  4. Step 4: Simplify right side
    1,272,200.63x = 981,445,874,441.53
  5. Step 5: Solve for x
    x = 981,445,874,441.53/1,272,200.63
  6. Step 6: Final answer
    x = 771,455.27

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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.