Home / 877,818.90-1,211,488.68-495,870.26

Finding the Fourth Proportional to 877,818.90, 1,211,488.68 and 495,870.26

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Solution

The fourth proportional to 877,818.90, 1,211,488.68 and 495,870.26 is: 684,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,818.90 : 1,211,488.68 = 495,870.26 : x
  2. Step 2: Convert to fraction form
    877,818.90/1,211,488.68 = 495,870.26/x
  3. Step 3: Cross multiply
    877,818.90x = 1,211,488.68 × 495,870.26
  4. Step 4: Simplify right side
    877,818.90x = 600,741,206,738.66
  5. Step 5: Solve for x
    x = 600,741,206,738.66/877,818.90
  6. Step 6: Final answer
    x = 684,356.66

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1.5x scale

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.