Home / 855,893.40-1,283,840.10-607,061.40

Finding the Fourth Proportional to 855,893.40, 1,283,840.10 and 607,061.40

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Solution

The fourth proportional to 855,893.40, 1,283,840.10 and 607,061.40 is: 910,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,893.40 : 1,283,840.10 = 607,061.40 : x
  2. Step 2: Convert to fraction form
    855,893.40/1,283,840.10 = 607,061.40/x
  3. Step 3: Cross multiply
    855,893.40x = 1,283,840.10 × 607,061.40
  4. Step 4: Simplify right side
    855,893.40x = 779,369,768,482.14
  5. Step 5: Solve for x
    x = 779,369,768,482.14/855,893.40
  6. Step 6: Final answer
    x = 910,592.10

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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.