Home / 572,555.10-858,832.65-362,430.30

Finding the Fourth Proportional to 572,555.10, 858,832.65 and 362,430.30

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Solution

The fourth proportional to 572,555.10, 858,832.65 and 362,430.30 is: 543,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,555.10 : 858,832.65 = 362,430.30 : x
  2. Step 2: Convert to fraction form
    572,555.10/858,832.65 = 362,430.30/x
  3. Step 3: Cross multiply
    572,555.10x = 858,832.65 × 362,430.30
  4. Step 4: Simplify right side
    572,555.10x = 311,266,974,989.30
  5. Step 5: Solve for x
    x = 311,266,974,989.30/572,555.10
  6. Step 6: Final answer
    x = 543,645.45

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Half scale
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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.