Home / 838,624.80-1,157,270.88-512,483.16

Finding the Fourth Proportional to 838,624.80, 1,157,270.88 and 512,483.16

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Solution

The fourth proportional to 838,624.80, 1,157,270.88 and 512,483.16 is: 707,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,624.80 : 1,157,270.88 = 512,483.16 : x
  2. Step 2: Convert to fraction form
    838,624.80/1,157,270.88 = 512,483.16/x
  3. Step 3: Cross multiply
    838,624.80x = 1,157,270.88 × 512,483.16
  4. Step 4: Simplify right side
    838,624.80x = 593,081,837,558.38
  5. Step 5: Solve for x
    x = 593,081,837,558.38/838,624.80
  6. Step 6: Final answer
    x = 707,207.61

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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.