Home / 651,815.10-977,722.65-231,036.30

Finding the Fourth Proportional to 651,815.10, 977,722.65 and 231,036.30

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Solution

The fourth proportional to 651,815.10, 977,722.65 and 231,036.30 is: 346,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,815.10 : 977,722.65 = 231,036.30 : x
  2. Step 2: Convert to fraction form
    651,815.10/977,722.65 = 231,036.30/x
  3. Step 3: Cross multiply
    651,815.10x = 977,722.65 × 231,036.30
  4. Step 4: Simplify right side
    651,815.10x = 225,889,423,482.20
  5. Step 5: Solve for x
    x = 225,889,423,482.20/651,815.10
  6. Step 6: Final answer
    x = 346,554.45

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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.