Home / 708,334.11-977,527.44-402,462.34

Finding the Fourth Proportional to 708,334.11, 977,527.44 and 402,462.34

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Solution

The fourth proportional to 708,334.11, 977,527.44 and 402,462.34 is: 555,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,334.11 : 977,527.44 = 402,462.34 : x
  2. Step 2: Convert to fraction form
    708,334.11/977,527.44 = 402,462.34/x
  3. Step 3: Cross multiply
    708,334.11x = 977,527.44 × 402,462.34
  4. Step 4: Simplify right side
    708,334.11x = 393,417,978,472.79
  5. Step 5: Solve for x
    x = 393,417,978,472.79/708,334.11
  6. Step 6: Final answer
    x = 555,413.01

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1.5x scale

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.