Home / 935,187.39-1,290,558.83-505,466.19

Finding the Fourth Proportional to 935,187.39, 1,290,558.83 and 505,466.19

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Solution

The fourth proportional to 935,187.39, 1,290,558.83 and 505,466.19 is: 697,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,187.39 : 1,290,558.83 = 505,466.19 : x
  2. Step 2: Convert to fraction form
    935,187.39/1,290,558.83 = 505,466.19/x
  3. Step 3: Cross multiply
    935,187.39x = 1,290,558.83 × 505,466.19
  4. Step 4: Simplify right side
    935,187.39x = 652,333,852,243.63
  5. Step 5: Solve for x
    x = 652,333,852,243.63/935,187.39
  6. Step 6: Final answer
    x = 697,543.46

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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.