Home / 1,225,714.80-1,838,572.68-384,332.16

Finding the Fourth Proportional to 1,225,714.80, 1,838,572.68 and 384,332.16

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Solution

The fourth proportional to 1,225,714.80, 1,838,572.68 and 384,332.16 is: 576,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,714.80 : 1,838,572.68 = 384,332.16 : x
  2. Step 2: Convert to fraction form
    1,225,714.80/1,838,572.68 = 384,332.16/x
  3. Step 3: Cross multiply
    1,225,714.80x = 1,838,572.68 × 384,332.16
  4. Step 4: Simplify right side
    1,225,714.80x = 706,622,609,421.39
  5. Step 5: Solve for x
    x = 706,622,609,421.39/1,225,714.80
  6. Step 6: Final answer
    x = 576,498.39

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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.