Home / 975,435.72-1,346,153.59-545,690.22

Finding the Fourth Proportional to 975,435.72, 1,346,153.59 and 545,690.22

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Solution

The fourth proportional to 975,435.72, 1,346,153.59 and 545,690.22 is: 753,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,435.72 : 1,346,153.59 = 545,690.22 : x
  2. Step 2: Convert to fraction form
    975,435.72/1,346,153.59 = 545,690.22/x
  3. Step 3: Cross multiply
    975,435.72x = 1,346,153.59 × 545,690.22
  4. Step 4: Simplify right side
    975,435.72x = 734,582,848,680.89
  5. Step 5: Solve for x
    x = 734,582,848,680.89/975,435.72
  6. Step 6: Final answer
    x = 753,081.76

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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.