Home / 953,911.17-1,316,404.62-518,332.68

Finding the Fourth Proportional to 953,911.17, 1,316,404.62 and 518,332.68

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Solution

The fourth proportional to 953,911.17, 1,316,404.62 and 518,332.68 is: 715,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,911.17 : 1,316,404.62 = 518,332.68 : x
  2. Step 2: Convert to fraction form
    953,911.17/1,316,404.62 = 518,332.68/x
  3. Step 3: Cross multiply
    953,911.17x = 1,316,404.62 × 518,332.68
  4. Step 4: Simplify right side
    953,911.17x = 682,335,534,648.98
  5. Step 5: Solve for x
    x = 682,335,534,648.98/953,911.17
  6. Step 6: Final answer
    x = 715,303.01

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1.5x scale

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.