Home / 977,555.30-1,465,166.55-408,935.30

Finding the Fourth Proportional to 977,555.30, 1,465,166.55 and 408,935.30

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Solution

The fourth proportional to 977,555.30, 1,465,166.55 and 408,935.30 is: 612,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,555.30 : 1,465,166.55 = 408,935.30 : x
  2. Step 2: Convert to fraction form
    977,555.30/1,465,166.55 = 408,935.30/x
  3. Step 3: Cross multiply
    977,555.30x = 1,465,166.55 × 408,935.30
  4. Step 4: Simplify right side
    977,555.30x = 599,158,322,674.22
  5. Step 5: Solve for x
    x = 599,158,322,674.22/977,555.30
  6. Step 6: Final answer
    x = 612,915.02

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Double scale
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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.