Home / 1,237,127.52-1,855,752.63-384,779.70

Finding the Fourth Proportional to 1,237,127.52, 1,855,752.63 and 384,779.70

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Solution

The fourth proportional to 1,237,127.52, 1,855,752.63 and 384,779.70 is: 577,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,127.52 : 1,855,752.63 = 384,779.70 : x
  2. Step 2: Convert to fraction form
    1,237,127.52/1,855,752.63 = 384,779.70/x
  3. Step 3: Cross multiply
    1,237,127.52x = 1,855,752.63 × 384,779.70
  4. Step 4: Simplify right side
    1,237,127.52x = 714,055,940,245.61
  5. Step 5: Solve for x
    x = 714,055,940,245.61/1,237,127.52
  6. Step 6: Final answer
    x = 577,188.63

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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.