Home / 1,539,532.08-2,124,628.32-851,191.20

Finding the Fourth Proportional to 1,539,532.08, 2,124,628.32 and 851,191.20

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Solution

The fourth proportional to 1,539,532.08, 2,124,628.32 and 851,191.20 is: 1,174,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,532.08 : 2,124,628.32 = 851,191.20 : x
  2. Step 2: Convert to fraction form
    1,539,532.08/2,124,628.32 = 851,191.20/x
  3. Step 3: Cross multiply
    1,539,532.08x = 2,124,628.32 × 851,191.20
  4. Step 4: Simplify right side
    1,539,532.08x = 1,808,464,929,254.78
  5. Step 5: Solve for x
    x = 1,808,464,929,254.78/1,539,532.08
  6. Step 6: Final answer
    x = 1,174,684.80

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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.