Home / 528,386.32-792,570.30-212,835.16

Finding the Fourth Proportional to 528,386.32, 792,570.30 and 212,835.16

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Solution

The fourth proportional to 528,386.32, 792,570.30 and 212,835.16 is: 319,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,386.32 : 792,570.30 = 212,835.16 : x
  2. Step 2: Convert to fraction form
    528,386.32/792,570.30 = 212,835.16/x
  3. Step 3: Cross multiply
    528,386.32x = 792,570.30 × 212,835.16
  4. Step 4: Simplify right side
    528,386.32x = 168,686,826,611.75
  5. Step 5: Solve for x
    x = 168,686,826,611.75/528,386.32
  6. Step 6: Final answer
    x = 319,249.04

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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.