Home / 828,166.03-1,142,160.62-570,454.07

Finding the Fourth Proportional to 828,166.03, 1,142,160.62 and 570,454.07

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Solution

The fourth proportional to 828,166.03, 1,142,160.62 and 570,454.07 is: 786,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,166.03 : 1,142,160.62 = 570,454.07 : x
  2. Step 2: Convert to fraction form
    828,166.03/1,142,160.62 = 570,454.07/x
  3. Step 3: Cross multiply
    828,166.03x = 1,142,160.62 × 570,454.07
  4. Step 4: Simplify right side
    828,166.03x = 651,550,165,709.65
  5. Step 5: Solve for x
    x = 651,550,165,709.65/828,166.03
  6. Step 6: Final answer
    x = 786,738.58

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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.