Home / 877,433.58-1,210,883.18-495,517.77

Finding the Fourth Proportional to 877,433.58, 1,210,883.18 and 495,517.77

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Solution

The fourth proportional to 877,433.58, 1,210,883.18 and 495,517.77 is: 683,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,433.58 : 1,210,883.18 = 495,517.77 : x
  2. Step 2: Convert to fraction form
    877,433.58/1,210,883.18 = 495,517.77/x
  3. Step 3: Cross multiply
    877,433.58x = 1,210,883.18 × 495,517.77
  4. Step 4: Simplify right side
    877,433.58x = 600,014,130,606.52
  5. Step 5: Solve for x
    x = 600,014,130,606.52/877,433.58
  6. Step 6: Final answer
    x = 683,828.55

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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.