Home / 1,554,809.85-2,145,710.64-910,437.63

Finding the Fourth Proportional to 1,554,809.85, 2,145,710.64 and 910,437.63

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Solution

The fourth proportional to 1,554,809.85, 2,145,710.64 and 910,437.63 is: 1,256,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,809.85 : 2,145,710.64 = 910,437.63 : x
  2. Step 2: Convert to fraction form
    1,554,809.85/2,145,710.64 = 910,437.63/x
  3. Step 3: Cross multiply
    1,554,809.85x = 2,145,710.64 × 910,437.63
  4. Step 4: Simplify right side
    1,554,809.85x = 1,953,535,709,747.38
  5. Step 5: Solve for x
    x = 1,953,535,709,747.38/1,554,809.85
  6. Step 6: Final answer
    x = 1,256,446.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.