Home / 835,426.80-1,152,858.04-453,445.40

Finding the Fourth Proportional to 835,426.80, 1,152,858.04 and 453,445.40

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Solution

The fourth proportional to 835,426.80, 1,152,858.04 and 453,445.40 is: 625,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,426.80 : 1,152,858.04 = 453,445.40 : x
  2. Step 2: Convert to fraction form
    835,426.80/1,152,858.04 = 453,445.40/x
  3. Step 3: Cross multiply
    835,426.80x = 1,152,858.04 × 453,445.40
  4. Step 4: Simplify right side
    835,426.80x = 522,758,175,091.02
  5. Step 5: Solve for x
    x = 522,758,175,091.02/835,426.80
  6. Step 6: Final answer
    x = 625,737.86

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Double scale
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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.