Home / 734,000.08-1,013,033.64-411,840.40

Finding the Fourth Proportional to 734,000.08, 1,013,033.64 and 411,840.40

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Solution

The fourth proportional to 734,000.08, 1,013,033.64 and 411,840.40 is: 568,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,000.08 : 1,013,033.64 = 411,840.40 : x
  2. Step 2: Convert to fraction form
    734,000.08/1,013,033.64 = 411,840.40/x
  3. Step 3: Cross multiply
    734,000.08x = 1,013,033.64 × 411,840.40
  4. Step 4: Simplify right side
    734,000.08x = 417,208,179,511.06
  5. Step 5: Solve for x
    x = 417,208,179,511.06/734,000.08
  6. Step 6: Final answer
    x = 568,403.45

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