Home / 899,216.10-1,348,608.15-519,315.30

Finding the Fourth Proportional to 899,216.10, 1,348,608.15 and 519,315.30

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Solution

The fourth proportional to 899,216.10, 1,348,608.15 and 519,315.30 is: 778,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,216.10 : 1,348,608.15 = 519,315.30 : x
  2. Step 2: Convert to fraction form
    899,216.10/1,348,608.15 = 519,315.30/x
  3. Step 3: Cross multiply
    899,216.10x = 1,348,608.15 × 519,315.30
  4. Step 4: Simplify right side
    899,216.10x = 700,352,845,999.70
  5. Step 5: Solve for x
    x = 700,352,845,999.70/899,216.10
  6. Step 6: Final answer
    x = 778,848.21

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1.5x scale

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.