Home / 877,904.40-1,211,606.40-495,955.80

Finding the Fourth Proportional to 877,904.40, 1,211,606.40 and 495,955.80

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Solution

The fourth proportional to 877,904.40, 1,211,606.40 and 495,955.80 is: 684,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,904.40 : 1,211,606.40 = 495,955.80 : x
  2. Step 2: Convert to fraction form
    877,904.40/1,211,606.40 = 495,955.80/x
  3. Step 3: Cross multiply
    877,904.40x = 1,211,606.40 × 495,955.80
  4. Step 4: Simplify right side
    877,904.40x = 600,903,221,397.12
  5. Step 5: Solve for x
    x = 600,903,221,397.12/877,904.40
  6. Step 6: Final answer
    x = 684,474.55

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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.