Home / 1,249,870.30-1,724,927.20-706,105.86

Finding the Fourth Proportional to 1,249,870.30, 1,724,927.20 and 706,105.86

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Solution

The fourth proportional to 1,249,870.30, 1,724,927.20 and 706,105.86 is: 974,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,870.30 : 1,724,927.20 = 706,105.86 : x
  2. Step 2: Convert to fraction form
    1,249,870.30/1,724,927.20 = 706,105.86/x
  3. Step 3: Cross multiply
    1,249,870.30x = 1,724,927.20 × 706,105.86
  4. Step 4: Simplify right side
    1,249,870.30x = 1,217,981,195,759.65
  5. Step 5: Solve for x
    x = 1,217,981,195,759.65/1,249,870.30
  6. Step 6: Final answer
    x = 974,486.07

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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.