Home / 910,181.47-1,256,080.60-496,740.89

Finding the Fourth Proportional to 910,181.47, 1,256,080.60 and 496,740.89

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Solution

The fourth proportional to 910,181.47, 1,256,080.60 and 496,740.89 is: 685,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,181.47 : 1,256,080.60 = 496,740.89 : x
  2. Step 2: Convert to fraction form
    910,181.47/1,256,080.60 = 496,740.89/x
  3. Step 3: Cross multiply
    910,181.47x = 1,256,080.60 × 496,740.89
  4. Step 4: Simplify right side
    910,181.47x = 623,946,587,633.48
  5. Step 5: Solve for x
    x = 623,946,587,633.48/910,181.47
  6. Step 6: Final answer
    x = 685,518.89

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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.