Home / 975,258.24-1,345,968-545,647.20

Finding the Fourth Proportional to 975,258.24, 1,345,968 and 545,647.20

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Solution

The fourth proportional to 975,258.24, 1,345,968 and 545,647.20 is: 753,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,258.24 : 1,345,968 = 545,647.20 : x
  2. Step 2: Convert to fraction form
    975,258.24/1,345,968 = 545,647.20/x
  3. Step 3: Cross multiply
    975,258.24x = 1,345,968 × 545,647.20
  4. Step 4: Simplify right side
    975,258.24x = 734,423,670,489.60
  5. Step 5: Solve for x
    x = 734,423,670,489.60/975,258.24
  6. Step 6: Final answer
    x = 753,055.59

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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.