Home / 811,159.23-1,216,913.40-242,585.40

Finding the Fourth Proportional to 811,159.23, 1,216,913.40 and 242,585.40

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Solution

The fourth proportional to 811,159.23, 1,216,913.40 and 242,585.40 is: 363,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,159.23 : 1,216,913.40 = 242,585.40 : x
  2. Step 2: Convert to fraction form
    811,159.23/1,216,913.40 = 242,585.40/x
  3. Step 3: Cross multiply
    811,159.23x = 1,216,913.40 × 242,585.40
  4. Step 4: Simplify right side
    811,159.23x = 295,205,423,904.36
  5. Step 5: Solve for x
    x = 295,205,423,904.36/811,159.23
  6. Step 6: Final answer
    x = 363,930.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.