Home / 1,217,878.40-1,825,262.40-935,998.40

Finding the Fourth Proportional to 1,217,878.40, 1,825,262.40 and 935,998.40

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Solution

The fourth proportional to 1,217,878.40, 1,825,262.40 and 935,998.40 is: 1,402,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,878.40 : 1,825,262.40 = 935,998.40 : x
  2. Step 2: Convert to fraction form
    1,217,878.40/1,825,262.40 = 935,998.40/x
  3. Step 3: Cross multiply
    1,217,878.40x = 1,825,262.40 × 935,998.40
  4. Step 4: Simplify right side
    1,217,878.40x = 1,708,442,685,980.16
  5. Step 5: Solve for x
    x = 1,708,442,685,980.16/1,217,878.40
  6. Step 6: Final answer
    x = 1,402,802.35

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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.