Home / 685,904.52-946,598.10-414,038.64

Finding the Fourth Proportional to 685,904.52, 946,598.10 and 414,038.64

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Solution

The fourth proportional to 685,904.52, 946,598.10 and 414,038.64 is: 571,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,904.52 : 946,598.10 = 414,038.64 : x
  2. Step 2: Convert to fraction form
    685,904.52/946,598.10 = 414,038.64/x
  3. Step 3: Cross multiply
    685,904.52x = 946,598.10 × 414,038.64
  4. Step 4: Simplify right side
    685,904.52x = 391,928,189,950.58
  5. Step 5: Solve for x
    x = 391,928,189,950.58/685,904.52
  6. Step 6: Final answer
    x = 571,403.42

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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.