Home / 704,931.42-972,778.95-382,634.58

Finding the Fourth Proportional to 704,931.42, 972,778.95 and 382,634.58

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Solution

The fourth proportional to 704,931.42, 972,778.95 and 382,634.58 is: 528,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,931.42 : 972,778.95 = 382,634.58 : x
  2. Step 2: Convert to fraction form
    704,931.42/972,778.95 = 382,634.58/x
  3. Step 3: Cross multiply
    704,931.42x = 972,778.95 × 382,634.58
  4. Step 4: Simplify right side
    704,931.42x = 372,218,864,966.09
  5. Step 5: Solve for x
    x = 372,218,864,966.09/704,931.42
  6. Step 6: Final answer
    x = 528,021.39

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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.