Home / 877,899.13-1,211,599.15-495,950.51

Finding the Fourth Proportional to 877,899.13, 1,211,599.15 and 495,950.51

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Solution

The fourth proportional to 877,899.13, 1,211,599.15 and 495,950.51 is: 684,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,899.13 : 1,211,599.15 = 495,950.51 : x
  2. Step 2: Convert to fraction form
    877,899.13/1,211,599.15 = 495,950.51/x
  3. Step 3: Cross multiply
    877,899.13x = 1,211,599.15 × 495,950.51
  4. Step 4: Simplify right side
    877,899.13x = 600,893,218,147.19
  5. Step 5: Solve for x
    x = 600,893,218,147.19/877,899.13
  6. Step 6: Final answer
    x = 684,467.27

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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.