Home / 1,090,307.40-1,635,461.10-1,041,318.60

Finding the Fourth Proportional to 1,090,307.40, 1,635,461.10 and 1,041,318.60

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Solution

The fourth proportional to 1,090,307.40, 1,635,461.10 and 1,041,318.60 is: 1,561,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,307.40 : 1,635,461.10 = 1,041,318.60 : x
  2. Step 2: Convert to fraction form
    1,090,307.40/1,635,461.10 = 1,041,318.60/x
  3. Step 3: Cross multiply
    1,090,307.40x = 1,635,461.10 × 1,041,318.60
  4. Step 4: Simplify right side
    1,090,307.40x = 1,703,036,063,006.46
  5. Step 5: Solve for x
    x = 1,703,036,063,006.46/1,090,307.40
  6. Step 6: Final answer
    x = 1,561,977.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.