Home / 549,114.72-757,628.28-377,084.40

Finding the Fourth Proportional to 549,114.72, 757,628.28 and 377,084.40

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Solution

The fourth proportional to 549,114.72, 757,628.28 and 377,084.40 is: 520,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,114.72 : 757,628.28 = 377,084.40 : x
  2. Step 2: Convert to fraction form
    549,114.72/757,628.28 = 377,084.40/x
  3. Step 3: Cross multiply
    549,114.72x = 757,628.28 × 377,084.40
  4. Step 4: Simplify right side
    549,114.72x = 285,689,805,386.83
  5. Step 5: Solve for x
    x = 285,689,805,386.83/549,114.72
  6. Step 6: Final answer
    x = 520,273.44

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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.