Home / 692,442.59-955,567.13-402,125.54

Finding the Fourth Proportional to 692,442.59, 955,567.13 and 402,125.54

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Solution

The fourth proportional to 692,442.59, 955,567.13 and 402,125.54 is: 554,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,442.59 : 955,567.13 = 402,125.54 : x
  2. Step 2: Convert to fraction form
    692,442.59/955,567.13 = 402,125.54/x
  3. Step 3: Cross multiply
    692,442.59x = 955,567.13 × 402,125.54
  4. Step 4: Simplify right side
    692,442.59x = 384,257,941,369.04
  5. Step 5: Solve for x
    x = 384,257,941,369.04/692,442.59
  6. Step 6: Final answer
    x = 554,931.12

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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.