Home / 684,705.42-944,939.79-382,901.58

Finding the Fourth Proportional to 684,705.42, 944,939.79 and 382,901.58

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Solution

The fourth proportional to 684,705.42, 944,939.79 and 382,901.58 is: 528,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,705.42 : 944,939.79 = 382,901.58 : x
  2. Step 2: Convert to fraction form
    684,705.42/944,939.79 = 382,901.58/x
  3. Step 3: Cross multiply
    684,705.42x = 944,939.79 × 382,901.58
  4. Step 4: Simplify right side
    684,705.42x = 361,818,938,595.87
  5. Step 5: Solve for x
    x = 361,818,938,595.87/684,705.42
  6. Step 6: Final answer
    x = 528,430.08

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Double scale
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Similar ratio
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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.