Home / 710,323.20-1,065,484.80-444,902.40

Finding the Fourth Proportional to 710,323.20, 1,065,484.80 and 444,902.40

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Solution

The fourth proportional to 710,323.20, 1,065,484.80 and 444,902.40 is: 667,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,323.20 : 1,065,484.80 = 444,902.40 : x
  2. Step 2: Convert to fraction form
    710,323.20/1,065,484.80 = 444,902.40/x
  3. Step 3: Cross multiply
    710,323.20x = 1,065,484.80 × 444,902.40
  4. Step 4: Simplify right side
    710,323.20x = 474,036,744,683.52
  5. Step 5: Solve for x
    x = 474,036,744,683.52/710,323.20
  6. Step 6: Final answer
    x = 667,353.60

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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.