Home / 1,217,703.20-1,826,554.80-657,831.20

Finding the Fourth Proportional to 1,217,703.20, 1,826,554.80 and 657,831.20

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Solution

The fourth proportional to 1,217,703.20, 1,826,554.80 and 657,831.20 is: 986,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,703.20 : 1,826,554.80 = 657,831.20 : x
  2. Step 2: Convert to fraction form
    1,217,703.20/1,826,554.80 = 657,831.20/x
  3. Step 3: Cross multiply
    1,217,703.20x = 1,826,554.80 × 657,831.20
  4. Step 4: Simplify right side
    1,217,703.20x = 1,201,564,735,949.76
  5. Step 5: Solve for x
    x = 1,201,564,735,949.76/1,217,703.20
  6. Step 6: Final answer
    x = 986,746.80

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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.