Home / 887,841.77-1,225,341.63-500,736.69

Finding the Fourth Proportional to 887,841.77, 1,225,341.63 and 500,736.69

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Solution

The fourth proportional to 887,841.77, 1,225,341.63 and 500,736.69 is: 691,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,841.77 : 1,225,341.63 = 500,736.69 : x
  2. Step 2: Convert to fraction form
    887,841.77/1,225,341.63 = 500,736.69/x
  3. Step 3: Cross multiply
    887,841.77x = 1,225,341.63 × 500,736.69
  4. Step 4: Simplify right side
    887,841.77x = 613,573,511,925.41
  5. Step 5: Solve for x
    x = 613,573,511,925.41/887,841.77
  6. Step 6: Final answer
    x = 691,084.31

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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.