Home / 975,353.34-1,345,989.60-545,640.66

Finding the Fourth Proportional to 975,353.34, 1,345,989.60 and 545,640.66

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Solution

The fourth proportional to 975,353.34, 1,345,989.60 and 545,640.66 is: 752,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,353.34 : 1,345,989.60 = 545,640.66 : x
  2. Step 2: Convert to fraction form
    975,353.34/1,345,989.60 = 545,640.66/x
  3. Step 3: Cross multiply
    975,353.34x = 1,345,989.60 × 545,640.66
  4. Step 4: Simplify right side
    975,353.34x = 734,426,653,697.14
  5. Step 5: Solve for x
    x = 734,426,653,697.14/975,353.34
  6. Step 6: Final answer
    x = 752,985.22

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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.