Home / 835,756.42-1,153,348.47-453,783.21

Finding the Fourth Proportional to 835,756.42, 1,153,348.47 and 453,783.21

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Solution

The fourth proportional to 835,756.42, 1,153,348.47 and 453,783.21 is: 626,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,756.42 : 1,153,348.47 = 453,783.21 : x
  2. Step 2: Convert to fraction form
    835,756.42/1,153,348.47 = 453,783.21/x
  3. Step 3: Cross multiply
    835,756.42x = 1,153,348.47 × 453,783.21
  4. Step 4: Simplify right side
    835,756.42x = 523,370,168,696.27
  5. Step 5: Solve for x
    x = 523,370,168,696.27/835,756.42
  6. Step 6: Final answer
    x = 626,223.33

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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.