Home / 895,780.36-1,236,337.86-513,933.40

Finding the Fourth Proportional to 895,780.36, 1,236,337.86 and 513,933.40

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Solution

The fourth proportional to 895,780.36, 1,236,337.86 and 513,933.40 is: 709,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,780.36 : 1,236,337.86 = 513,933.40 : x
  2. Step 2: Convert to fraction form
    895,780.36/1,236,337.86 = 513,933.40/x
  3. Step 3: Cross multiply
    895,780.36x = 1,236,337.86 × 513,933.40
  4. Step 4: Simplify right side
    895,780.36x = 635,395,319,938.52
  5. Step 5: Solve for x
    x = 635,395,319,938.52/895,780.36
  6. Step 6: Final answer
    x = 709,320.44

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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.