Home / 1,009,621.40-1,514,432.10-369,923.90

Finding the Fourth Proportional to 1,009,621.40, 1,514,432.10 and 369,923.90

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Solution

The fourth proportional to 1,009,621.40, 1,514,432.10 and 369,923.90 is: 554,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,621.40 : 1,514,432.10 = 369,923.90 : x
  2. Step 2: Convert to fraction form
    1,009,621.40/1,514,432.10 = 369,923.90/x
  3. Step 3: Cross multiply
    1,009,621.40x = 1,514,432.10 × 369,923.90
  4. Step 4: Simplify right side
    1,009,621.40x = 560,224,628,717.19
  5. Step 5: Solve for x
    x = 560,224,628,717.19/1,009,621.40
  6. Step 6: Final answer
    x = 554,885.85

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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.