Home / 697,066.16-1,045,516.21-191,678.40

Finding the Fourth Proportional to 697,066.16, 1,045,516.21 and 191,678.40

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Solution

The fourth proportional to 697,066.16, 1,045,516.21 and 191,678.40 is: 287,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,066.16 : 1,045,516.21 = 191,678.40 : x
  2. Step 2: Convert to fraction form
    697,066.16/1,045,516.21 = 191,678.40/x
  3. Step 3: Cross multiply
    697,066.16x = 1,045,516.21 × 191,678.40
  4. Step 4: Simplify right side
    697,066.16x = 200,402,873,827.67
  5. Step 5: Solve for x
    x = 200,402,873,827.67/697,066.16
  6. Step 6: Final answer
    x = 287,494.77

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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.