Home / 497,328.16-686,293.60-270,975.36

Finding the Fourth Proportional to 497,328.16, 686,293.60 and 270,975.36

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Solution

The fourth proportional to 497,328.16, 686,293.60 and 270,975.36 is: 373,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,328.16 : 686,293.60 = 270,975.36 : x
  2. Step 2: Convert to fraction form
    497,328.16/686,293.60 = 270,975.36/x
  3. Step 3: Cross multiply
    497,328.16x = 686,293.60 × 270,975.36
  4. Step 4: Simplify right side
    497,328.16x = 185,968,655,325.70
  5. Step 5: Solve for x
    x = 185,968,655,325.70/497,328.16
  6. Step 6: Final answer
    x = 373,935.50

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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.