Home / 730,447.32-1,095,152.28-525,403.77

Finding the Fourth Proportional to 730,447.32, 1,095,152.28 and 525,403.77

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Solution

The fourth proportional to 730,447.32, 1,095,152.28 and 525,403.77 is: 787,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,447.32 : 1,095,152.28 = 525,403.77 : x
  2. Step 2: Convert to fraction form
    730,447.32/1,095,152.28 = 525,403.77/x
  3. Step 3: Cross multiply
    730,447.32x = 1,095,152.28 × 525,403.77
  4. Step 4: Simplify right side
    730,447.32x = 575,397,136,636.10
  5. Step 5: Solve for x
    x = 575,397,136,636.10/730,447.32
  6. Step 6: Final answer
    x = 787,732.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.