Home / 578,211.40-868,094.70-368,259.40

Finding the Fourth Proportional to 578,211.40, 868,094.70 and 368,259.40

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Solution

The fourth proportional to 578,211.40, 868,094.70 and 368,259.40 is: 552,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,211.40 : 868,094.70 = 368,259.40 : x
  2. Step 2: Convert to fraction form
    578,211.40/868,094.70 = 368,259.40/x
  3. Step 3: Cross multiply
    578,211.40x = 868,094.70 × 368,259.40
  4. Step 4: Simplify right side
    578,211.40x = 319,684,033,365.18
  5. Step 5: Solve for x
    x = 319,684,033,365.18/578,211.40
  6. Step 6: Final answer
    x = 552,884.35

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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.