Home / 1,212,018.08-1,672,590.02-668,141.93

Finding the Fourth Proportional to 1,212,018.08, 1,672,590.02 and 668,141.93

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Solution

The fourth proportional to 1,212,018.08, 1,672,590.02 and 668,141.93 is: 922,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,018.08 : 1,672,590.02 = 668,141.93 : x
  2. Step 2: Convert to fraction form
    1,212,018.08/1,672,590.02 = 668,141.93/x
  3. Step 3: Cross multiply
    1,212,018.08x = 1,672,590.02 × 668,141.93
  4. Step 4: Simplify right side
    1,212,018.08x = 1,117,527,524,061.54
  5. Step 5: Solve for x
    x = 1,117,527,524,061.54/1,212,018.08
  6. Step 6: Final answer
    x = 922,038.66

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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.