Home / 714,888.86-1,072,776.47-415,510.43

Finding the Fourth Proportional to 714,888.86, 1,072,776.47 and 415,510.43

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Solution

The fourth proportional to 714,888.86, 1,072,776.47 and 415,510.43 is: 623,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,888.86 : 1,072,776.47 = 415,510.43 : x
  2. Step 2: Convert to fraction form
    714,888.86/1,072,776.47 = 415,510.43/x
  3. Step 3: Cross multiply
    714,888.86x = 1,072,776.47 × 415,510.43
  4. Step 4: Simplify right side
    714,888.86x = 445,749,804,902.15
  5. Step 5: Solve for x
    x = 445,749,804,902.15/714,888.86
  6. Step 6: Final answer
    x = 623,523.23

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1.5x scale

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.