Home / 865,192.32-1,193,888.16-483,209.28

Finding the Fourth Proportional to 865,192.32, 1,193,888.16 and 483,209.28

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Solution

The fourth proportional to 865,192.32, 1,193,888.16 and 483,209.28 is: 666,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,192.32 : 1,193,888.16 = 483,209.28 : x
  2. Step 2: Convert to fraction form
    865,192.32/1,193,888.16 = 483,209.28/x
  3. Step 3: Cross multiply
    865,192.32x = 1,193,888.16 × 483,209.28
  4. Step 4: Simplify right side
    865,192.32x = 576,897,838,194.13
  5. Step 5: Solve for x
    x = 576,897,838,194.13/865,192.32
  6. Step 6: Final answer
    x = 666,785.67

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Double scale
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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.