Home / 1,281,186.10-1,920,904.35-607,590.10

Finding the Fourth Proportional to 1,281,186.10, 1,920,904.35 and 607,590.10

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Solution

The fourth proportional to 1,281,186.10, 1,920,904.35 and 607,590.10 is: 910,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,186.10 : 1,920,904.35 = 607,590.10 : x
  2. Step 2: Convert to fraction form
    1,281,186.10/1,920,904.35 = 607,590.10/x
  3. Step 3: Cross multiply
    1,281,186.10x = 1,920,904.35 × 607,590.10
  4. Step 4: Simplify right side
    1,281,186.10x = 1,167,122,466,106.94
  5. Step 5: Solve for x
    x = 1,167,122,466,106.94/1,281,186.10
  6. Step 6: Final answer
    x = 910,970.28

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Double scale
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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.