Home / 909,181.67-1,254,392.53-527,132.21

Finding the Fourth Proportional to 909,181.67, 1,254,392.53 and 527,132.21

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Solution

The fourth proportional to 909,181.67, 1,254,392.53 and 527,132.21 is: 727,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,181.67 : 1,254,392.53 = 527,132.21 : x
  2. Step 2: Convert to fraction form
    909,181.67/1,254,392.53 = 527,132.21/x
  3. Step 3: Cross multiply
    909,181.67x = 1,254,392.53 × 527,132.21
  4. Step 4: Simplify right side
    909,181.67x = 661,230,698,956.60
  5. Step 5: Solve for x
    x = 661,230,698,956.60/909,181.67
  6. Step 6: Final answer
    x = 727,281.16

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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.