Home / 1,005,074.92-1,387,000.02-575,353.72

Finding the Fourth Proportional to 1,005,074.92, 1,387,000.02 and 575,353.72

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Solution

The fourth proportional to 1,005,074.92, 1,387,000.02 and 575,353.72 is: 793,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,074.92 : 1,387,000.02 = 575,353.72 : x
  2. Step 2: Convert to fraction form
    1,005,074.92/1,387,000.02 = 575,353.72/x
  3. Step 3: Cross multiply
    1,005,074.92x = 1,387,000.02 × 575,353.72
  4. Step 4: Simplify right side
    1,005,074.92x = 798,015,621,147.07
  5. Step 5: Solve for x
    x = 798,015,621,147.07/1,005,074.92
  6. Step 6: Final answer
    x = 793,986.20

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1.5x scale

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.