Home / 776,636.83-1,070,841.77-531,740.35

Finding the Fourth Proportional to 776,636.83, 1,070,841.77 and 531,740.35

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Solution

The fourth proportional to 776,636.83, 1,070,841.77 and 531,740.35 is: 733,173.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,636.83 : 1,070,841.77 = 531,740.35 : x
  2. Step 2: Convert to fraction form
    776,636.83/1,070,841.77 = 531,740.35/x
  3. Step 3: Cross multiply
    776,636.83x = 1,070,841.77 × 531,740.35
  4. Step 4: Simplify right side
    776,636.83x = 569,409,772,224.81
  5. Step 5: Solve for x
    x = 569,409,772,224.81/776,636.83
  6. Step 6: Final answer
    x = 733,173.79

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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.