Home / 1,475,699.48-2,211,631.95-665,488.88

Finding the Fourth Proportional to 1,475,699.48, 2,211,631.95 and 665,488.88

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Solution

The fourth proportional to 1,475,699.48, 2,211,631.95 and 665,488.88 is: 997,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,699.48 : 2,211,631.95 = 665,488.88 : x
  2. Step 2: Convert to fraction form
    1,475,699.48/2,211,631.95 = 665,488.88/x
  3. Step 3: Cross multiply
    1,475,699.48x = 2,211,631.95 × 665,488.88
  4. Step 4: Simplify right side
    1,475,699.48x = 1,471,816,465,365.38
  5. Step 5: Solve for x
    x = 1,471,816,465,365.38/1,475,699.48
  6. Step 6: Final answer
    x = 997,368.70

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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.