Home / 868,935.80-1,303,403.70-805,950.20

Finding the Fourth Proportional to 868,935.80, 1,303,403.70 and 805,950.20

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Solution

The fourth proportional to 868,935.80, 1,303,403.70 and 805,950.20 is: 1,208,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,935.80 : 1,303,403.70 = 805,950.20 : x
  2. Step 2: Convert to fraction form
    868,935.80/1,303,403.70 = 805,950.20/x
  3. Step 3: Cross multiply
    868,935.80x = 1,303,403.70 × 805,950.20
  4. Step 4: Simplify right side
    868,935.80x = 1,050,478,472,695.74
  5. Step 5: Solve for x
    x = 1,050,478,472,695.74/868,935.80
  6. Step 6: Final answer
    x = 1,208,925.30

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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.