Home / 935,345.70-1,403,431.65-455,307.30

Finding the Fourth Proportional to 935,345.70, 1,403,431.65 and 455,307.30

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Solution

The fourth proportional to 935,345.70, 1,403,431.65 and 455,307.30 is: 683,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,345.70 : 1,403,431.65 = 455,307.30 : x
  2. Step 2: Convert to fraction form
    935,345.70/1,403,431.65 = 455,307.30/x
  3. Step 3: Cross multiply
    935,345.70x = 1,403,431.65 × 455,307.30
  4. Step 4: Simplify right side
    935,345.70x = 638,992,675,296.05
  5. Step 5: Solve for x
    x = 638,992,675,296.05/935,345.70
  6. Step 6: Final answer
    x = 683,162.04

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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.