Home / 1,117,429-1,541,783.08-658,561.84

Finding the Fourth Proportional to 1,117,429, 1,541,783.08 and 658,561.84

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Solution

The fourth proportional to 1,117,429, 1,541,783.08 and 658,561.84 is: 908,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,429 : 1,541,783.08 = 658,561.84 : x
  2. Step 2: Convert to fraction form
    1,117,429/1,541,783.08 = 658,561.84/x
  3. Step 3: Cross multiply
    1,117,429x = 1,541,783.08 × 658,561.84
  4. Step 4: Simplify right side
    1,117,429x = 1,015,359,502,045.67
  5. Step 5: Solve for x
    x = 1,015,359,502,045.67/1,117,429
  6. Step 6: Final answer
    x = 908,656.84

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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.