Home / 767,545.41-1,059,162.71-423,360.62

Finding the Fourth Proportional to 767,545.41, 1,059,162.71 and 423,360.62

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Solution

The fourth proportional to 767,545.41, 1,059,162.71 and 423,360.62 is: 584,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,545.41 : 1,059,162.71 = 423,360.62 : x
  2. Step 2: Convert to fraction form
    767,545.41/1,059,162.71 = 423,360.62/x
  3. Step 3: Cross multiply
    767,545.41x = 1,059,162.71 × 423,360.62
  4. Step 4: Simplify right side
    767,545.41x = 448,407,774,173.86
  5. Step 5: Solve for x
    x = 448,407,774,173.86/767,545.41
  6. Step 6: Final answer
    x = 584,210.09

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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.