Home / 1,097,827.40-1,515,931.80-690,060.56

Finding the Fourth Proportional to 1,097,827.40, 1,515,931.80 and 690,060.56

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Solution

The fourth proportional to 1,097,827.40, 1,515,931.80 and 690,060.56 is: 952,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,827.40 : 1,515,931.80 = 690,060.56 : x
  2. Step 2: Convert to fraction form
    1,097,827.40/1,515,931.80 = 690,060.56/x
  3. Step 3: Cross multiply
    1,097,827.40x = 1,515,931.80 × 690,060.56
  4. Step 4: Simplify right side
    1,097,827.40x = 1,046,084,746,829.81
  5. Step 5: Solve for x
    x = 1,046,084,746,829.81/1,097,827.40
  6. Step 6: Final answer
    x = 952,868.13

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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.