Home / 749,172.79-1,034,693.01-692,485.75

Finding the Fourth Proportional to 749,172.79, 1,034,693.01 and 692,485.75

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Solution

The fourth proportional to 749,172.79, 1,034,693.01 and 692,485.75 is: 956,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,172.79 : 1,034,693.01 = 692,485.75 : x
  2. Step 2: Convert to fraction form
    749,172.79/1,034,693.01 = 692,485.75/x
  3. Step 3: Cross multiply
    749,172.79x = 1,034,693.01 × 692,485.75
  4. Step 4: Simplify right side
    749,172.79x = 716,510,156,413.71
  5. Step 5: Solve for x
    x = 716,510,156,413.71/749,172.79
  6. Step 6: Final answer
    x = 956,401.74

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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.