Home / 975,435.22-1,346,152.90-545,689.72

Finding the Fourth Proportional to 975,435.22, 1,346,152.90 and 545,689.72

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Solution

The fourth proportional to 975,435.22, 1,346,152.90 and 545,689.72 is: 753,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,435.22 : 1,346,152.90 = 545,689.72 : x
  2. Step 2: Convert to fraction form
    975,435.22/1,346,152.90 = 545,689.72/x
  3. Step 3: Cross multiply
    975,435.22x = 1,346,152.90 × 545,689.72
  4. Step 4: Simplify right side
    975,435.22x = 734,581,794,348.58
  5. Step 5: Solve for x
    x = 734,581,794,348.58/975,435.22
  6. Step 6: Final answer
    x = 753,081.07

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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.