Home / 778,888.70-1,168,333.05-530,056.70

Finding the Fourth Proportional to 778,888.70, 1,168,333.05 and 530,056.70

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Solution

The fourth proportional to 778,888.70, 1,168,333.05 and 530,056.70 is: 795,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,888.70 : 1,168,333.05 = 530,056.70 : x
  2. Step 2: Convert to fraction form
    778,888.70/1,168,333.05 = 530,056.70/x
  3. Step 3: Cross multiply
    778,888.70x = 1,168,333.05 × 530,056.70
  4. Step 4: Simplify right side
    778,888.70x = 619,282,760,983.94
  5. Step 5: Solve for x
    x = 619,282,760,983.94/778,888.70
  6. Step 6: Final answer
    x = 795,085.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.