Home / 973,415.20-1,343,298.68-543,701.60

Finding the Fourth Proportional to 973,415.20, 1,343,298.68 and 543,701.60

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Solution

The fourth proportional to 973,415.20, 1,343,298.68 and 543,701.60 is: 750,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,415.20 : 1,343,298.68 = 543,701.60 : x
  2. Step 2: Convert to fraction form
    973,415.20/1,343,298.68 = 543,701.60/x
  3. Step 3: Cross multiply
    973,415.20x = 1,343,298.68 × 543,701.60
  4. Step 4: Simplify right side
    973,415.20x = 730,353,641,593.89
  5. Step 5: Solve for x
    x = 730,353,641,593.89/973,415.20
  6. Step 6: Final answer
    x = 750,300.22

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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.