Home / 1,300,911.63-1,949,985.05-626,572.59

Finding the Fourth Proportional to 1,300,911.63, 1,949,985.05 and 626,572.59

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Solution

The fourth proportional to 1,300,911.63, 1,949,985.05 and 626,572.59 is: 939,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,911.63 : 1,949,985.05 = 626,572.59 : x
  2. Step 2: Convert to fraction form
    1,300,911.63/1,949,985.05 = 626,572.59/x
  3. Step 3: Cross multiply
    1,300,911.63x = 1,949,985.05 × 626,572.59
  4. Step 4: Simplify right side
    1,300,911.63x = 1,221,807,180,106.92
  5. Step 5: Solve for x
    x = 1,221,807,180,106.92/1,300,911.63
  6. Step 6: Final answer
    x = 939,193.06

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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.