Home / 926,931.78-1,390,923.66-500,461.92

Finding the Fourth Proportional to 926,931.78, 1,390,923.66 and 500,461.92

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Solution

The fourth proportional to 926,931.78, 1,390,923.66 and 500,461.92 is: 750,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,931.78 : 1,390,923.66 = 500,461.92 : x
  2. Step 2: Convert to fraction form
    926,931.78/1,390,923.66 = 500,461.92/x
  3. Step 3: Cross multiply
    926,931.78x = 1,390,923.66 × 500,461.92
  4. Step 4: Simplify right side
    926,931.78x = 696,104,325,457.03
  5. Step 5: Solve for x
    x = 696,104,325,457.03/926,931.78
  6. Step 6: Final answer
    x = 750,976.87

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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.