Home / 711,302.11-1,065,862.42-483,307.36

Finding the Fourth Proportional to 711,302.11, 1,065,862.42 and 483,307.36

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Solution

The fourth proportional to 711,302.11, 1,065,862.42 and 483,307.36 is: 724,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,302.11 : 1,065,862.42 = 483,307.36 : x
  2. Step 2: Convert to fraction form
    711,302.11/1,065,862.42 = 483,307.36/x
  3. Step 3: Cross multiply
    711,302.11x = 1,065,862.42 × 483,307.36
  4. Step 4: Simplify right side
    711,302.11x = 515,139,152,333.41
  5. Step 5: Solve for x
    x = 515,139,152,333.41/711,302.11
  6. Step 6: Final answer
    x = 724,219.91

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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.