Home / 710,100.50-1,065,172.62-310,535.60

Finding the Fourth Proportional to 710,100.50, 1,065,172.62 and 310,535.60

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Solution

The fourth proportional to 710,100.50, 1,065,172.62 and 310,535.60 is: 465,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,100.50 : 1,065,172.62 = 310,535.60 : x
  2. Step 2: Convert to fraction form
    710,100.50/1,065,172.62 = 310,535.60/x
  3. Step 3: Cross multiply
    710,100.50x = 1,065,172.62 × 310,535.60
  4. Step 4: Simplify right side
    710,100.50x = 330,774,018,655.27
  5. Step 5: Solve for x
    x = 330,774,018,655.27/710,100.50
  6. Step 6: Final answer
    x = 465,812.96

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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.