Home / 705,186.04-973,129.45-382,888.76

Finding the Fourth Proportional to 705,186.04, 973,129.45 and 382,888.76

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Solution

The fourth proportional to 705,186.04, 973,129.45 and 382,888.76 is: 528,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,186.04 : 973,129.45 = 382,888.76 : x
  2. Step 2: Convert to fraction form
    705,186.04/973,129.45 = 382,888.76/x
  3. Step 3: Cross multiply
    705,186.04x = 973,129.45 × 382,888.76
  4. Step 4: Simplify right side
    705,186.04x = 372,600,329,905.58
  5. Step 5: Solve for x
    x = 372,600,329,905.58/705,186.04
  6. Step 6: Final answer
    x = 528,371.68

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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.