Home / 666,547.20-1,000,054.08-193,260.96

Finding the Fourth Proportional to 666,547.20, 1,000,054.08 and 193,260.96

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Solution

The fourth proportional to 666,547.20, 1,000,054.08 and 193,260.96 is: 289,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,547.20 : 1,000,054.08 = 193,260.96 : x
  2. Step 2: Convert to fraction form
    666,547.20/1,000,054.08 = 193,260.96/x
  3. Step 3: Cross multiply
    666,547.20x = 1,000,054.08 × 193,260.96
  4. Step 4: Simplify right side
    666,547.20x = 193,271,411,552.72
  5. Step 5: Solve for x
    x = 193,271,411,552.72/666,547.20
  6. Step 6: Final answer
    x = 289,959.08

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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.