Home / 540,214.24-745,492.80-298,513.48

Finding the Fourth Proportional to 540,214.24, 745,492.80 and 298,513.48

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Solution

The fourth proportional to 540,214.24, 745,492.80 and 298,513.48 is: 411,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,214.24 : 745,492.80 = 298,513.48 : x
  2. Step 2: Convert to fraction form
    540,214.24/745,492.80 = 298,513.48/x
  3. Step 3: Cross multiply
    540,214.24x = 745,492.80 × 298,513.48
  4. Step 4: Simplify right side
    540,214.24x = 222,539,650,042.94
  5. Step 5: Solve for x
    x = 222,539,650,042.94/540,214.24
  6. Step 6: Final answer
    x = 411,947.03

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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.