Home / 835,407.78-1,152,864.96-453,434.57

Finding the Fourth Proportional to 835,407.78, 1,152,864.96 and 453,434.57

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Solution

The fourth proportional to 835,407.78, 1,152,864.96 and 453,434.57 is: 625,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,407.78 : 1,152,864.96 = 453,434.57 : x
  2. Step 2: Convert to fraction form
    835,407.78/1,152,864.96 = 453,434.57/x
  3. Step 3: Cross multiply
    835,407.78x = 1,152,864.96 × 453,434.57
  4. Step 4: Simplify right side
    835,407.78x = 522,748,821,641.34
  5. Step 5: Solve for x
    x = 522,748,821,641.34/835,407.78
  6. Step 6: Final answer
    x = 625,740.91

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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.