Home / 1,153,680.66-1,729,886.76-354,740.40

Finding the Fourth Proportional to 1,153,680.66, 1,729,886.76 and 354,740.40

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Solution

The fourth proportional to 1,153,680.66, 1,729,886.76 and 354,740.40 is: 531,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,680.66 : 1,729,886.76 = 354,740.40 : x
  2. Step 2: Convert to fraction form
    1,153,680.66/1,729,886.76 = 354,740.40/x
  3. Step 3: Cross multiply
    1,153,680.66x = 1,729,886.76 × 354,740.40
  4. Step 4: Simplify right side
    1,153,680.66x = 613,660,721,197.10
  5. Step 5: Solve for x
    x = 613,660,721,197.10/1,153,680.66
  6. Step 6: Final answer
    x = 531,915.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.