Home / 971,866.40-1,341,166.49-536,287.75

Finding the Fourth Proportional to 971,866.40, 1,341,166.49 and 536,287.75

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Solution

The fourth proportional to 971,866.40, 1,341,166.49 and 536,287.75 is: 740,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,866.40 : 1,341,166.49 = 536,287.75 : x
  2. Step 2: Convert to fraction form
    971,866.40/1,341,166.49 = 536,287.75/x
  3. Step 3: Cross multiply
    971,866.40x = 1,341,166.49 × 536,287.75
  4. Step 4: Simplify right side
    971,866.40x = 719,251,159,297.50
  5. Step 5: Solve for x
    x = 719,251,159,297.50/971,866.40
  6. Step 6: Final answer
    x = 740,072.05

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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.