Home / 623,442.23-933,678.91-398,104.68

Finding the Fourth Proportional to 623,442.23, 933,678.91 and 398,104.68

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Solution

The fourth proportional to 623,442.23, 933,678.91 and 398,104.68 is: 596,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,442.23 : 933,678.91 = 398,104.68 : x
  2. Step 2: Convert to fraction form
    623,442.23/933,678.91 = 398,104.68/x
  3. Step 3: Cross multiply
    623,442.23x = 933,678.91 × 398,104.68
  4. Step 4: Simplify right side
    623,442.23x = 371,701,944,185.93
  5. Step 5: Solve for x
    x = 371,701,944,185.93/623,442.23
  6. Step 6: Final answer
    x = 596,209.13

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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.