Home / 983,680.40-1,357,460.52-601,679.12

Finding the Fourth Proportional to 983,680.40, 1,357,460.52 and 601,679.12

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Solution

The fourth proportional to 983,680.40, 1,357,460.52 and 601,679.12 is: 830,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,680.40 : 1,357,460.52 = 601,679.12 : x
  2. Step 2: Convert to fraction form
    983,680.40/1,357,460.52 = 601,679.12/x
  3. Step 3: Cross multiply
    983,680.40x = 1,357,460.52 × 601,679.12
  4. Step 4: Simplify right side
    983,680.40x = 816,755,651,108.34
  5. Step 5: Solve for x
    x = 816,755,651,108.34/983,680.40
  6. Step 6: Final answer
    x = 830,305.91

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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.