Home / 528,417.72-792,714.60-173,336.40

Finding the Fourth Proportional to 528,417.72, 792,714.60 and 173,336.40

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Solution

The fourth proportional to 528,417.72, 792,714.60 and 173,336.40 is: 260,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,417.72 : 792,714.60 = 173,336.40 : x
  2. Step 2: Convert to fraction form
    528,417.72/792,714.60 = 173,336.40/x
  3. Step 3: Cross multiply
    528,417.72x = 792,714.60 × 173,336.40
  4. Step 4: Simplify right side
    528,417.72x = 137,406,294,991.44
  5. Step 5: Solve for x
    x = 137,406,294,991.44/528,417.72
  6. Step 6: Final answer
    x = 260,033.47

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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.