Home / 986,689.39-1,361,631.35-533,980.39

Finding the Fourth Proportional to 986,689.39, 1,361,631.35 and 533,980.39

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Solution

The fourth proportional to 986,689.39, 1,361,631.35 and 533,980.39 is: 736,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,689.39 : 1,361,631.35 = 533,980.39 : x
  2. Step 2: Convert to fraction form
    986,689.39/1,361,631.35 = 533,980.39/x
  3. Step 3: Cross multiply
    986,689.39x = 1,361,631.35 × 533,980.39
  4. Step 4: Simplify right side
    986,689.39x = 727,084,440,043.40
  5. Step 5: Solve for x
    x = 727,084,440,043.40/986,689.39
  6. Step 6: Final answer
    x = 736,892.93

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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.