Home / 907,483.84-1,252,306.40-505,067.20

Finding the Fourth Proportional to 907,483.84, 1,252,306.40 and 505,067.20

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Solution

The fourth proportional to 907,483.84, 1,252,306.40 and 505,067.20 is: 696,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,483.84 : 1,252,306.40 = 505,067.20 : x
  2. Step 2: Convert to fraction form
    907,483.84/1,252,306.40 = 505,067.20/x
  3. Step 3: Cross multiply
    907,483.84x = 1,252,306.40 × 505,067.20
  4. Step 4: Simplify right side
    907,483.84x = 632,498,886,990.08
  5. Step 5: Solve for x
    x = 632,498,886,990.08/907,483.84
  6. Step 6: Final answer
    x = 696,980.88

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Double scale
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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.