Home / 564,816.35-779,423.24-306,683.19

Finding the Fourth Proportional to 564,816.35, 779,423.24 and 306,683.19

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Solution

The fourth proportional to 564,816.35, 779,423.24 and 306,683.19 is: 423,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,816.35 : 779,423.24 = 306,683.19 : x
  2. Step 2: Convert to fraction form
    564,816.35/779,423.24 = 306,683.19/x
  3. Step 3: Cross multiply
    564,816.35x = 779,423.24 × 306,683.19
  4. Step 4: Simplify right side
    564,816.35x = 239,036,006,370.04
  5. Step 5: Solve for x
    x = 239,036,006,370.04/564,816.35
  6. Step 6: Final answer
    x = 423,210.14

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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.