Home / 826,528.91-1,140,316.52-540,214.16

Finding the Fourth Proportional to 826,528.91, 1,140,316.52 and 540,214.16

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Solution

The fourth proportional to 826,528.91, 1,140,316.52 and 540,214.16 is: 745,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,528.91 : 1,140,316.52 = 540,214.16 : x
  2. Step 2: Convert to fraction form
    826,528.91/1,140,316.52 = 540,214.16/x
  3. Step 3: Cross multiply
    826,528.91x = 1,140,316.52 × 540,214.16
  4. Step 4: Simplify right side
    826,528.91x = 616,015,122,583.27
  5. Step 5: Solve for x
    x = 616,015,122,583.27/826,528.91
  6. Step 6: Final answer
    x = 745,303.79

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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.