Home / 907,407.83-1,252,200.68-499,506.02

Finding the Fourth Proportional to 907,407.83, 1,252,200.68 and 499,506.02

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Solution

The fourth proportional to 907,407.83, 1,252,200.68 and 499,506.02 is: 689,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,407.83 : 1,252,200.68 = 499,506.02 : x
  2. Step 2: Convert to fraction form
    907,407.83/1,252,200.68 = 499,506.02/x
  3. Step 3: Cross multiply
    907,407.83x = 1,252,200.68 × 499,506.02
  4. Step 4: Simplify right side
    907,407.83x = 625,481,772,899.10
  5. Step 5: Solve for x
    x = 625,481,772,899.10/907,407.83
  6. Step 6: Final answer
    x = 689,306.12

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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.