Home / 865,547.45-1,194,512.05-574,703.64

Finding the Fourth Proportional to 865,547.45, 1,194,512.05 and 574,703.64

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Solution

The fourth proportional to 865,547.45, 1,194,512.05 and 574,703.64 is: 793,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,547.45 : 1,194,512.05 = 574,703.64 : x
  2. Step 2: Convert to fraction form
    865,547.45/1,194,512.05 = 574,703.64/x
  3. Step 3: Cross multiply
    865,547.45x = 1,194,512.05 × 574,703.64
  4. Step 4: Simplify right side
    865,547.45x = 686,490,418,735.82
  5. Step 5: Solve for x
    x = 686,490,418,735.82/865,547.45
  6. Step 6: Final answer
    x = 793,128.58

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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.