Home / 972,186.48-1,341,402.12-564,051.78

Finding the Fourth Proportional to 972,186.48, 1,341,402.12 and 564,051.78

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Solution

The fourth proportional to 972,186.48, 1,341,402.12 and 564,051.78 is: 778,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,186.48 : 1,341,402.12 = 564,051.78 : x
  2. Step 2: Convert to fraction form
    972,186.48/1,341,402.12 = 564,051.78/x
  3. Step 3: Cross multiply
    972,186.48x = 1,341,402.12 × 564,051.78
  4. Step 4: Simplify right side
    972,186.48x = 756,620,253,481.77
  5. Step 5: Solve for x
    x = 756,620,253,481.77/972,186.48
  6. Step 6: Final answer
    x = 778,266.59

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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.