Home / 1,038,605.40-1,557,762.30-328,705.20

Finding the Fourth Proportional to 1,038,605.40, 1,557,762.30 and 328,705.20

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Solution

The fourth proportional to 1,038,605.40, 1,557,762.30 and 328,705.20 is: 493,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,605.40 : 1,557,762.30 = 328,705.20 : x
  2. Step 2: Convert to fraction form
    1,038,605.40/1,557,762.30 = 328,705.20/x
  3. Step 3: Cross multiply
    1,038,605.40x = 1,557,762.30 × 328,705.20
  4. Step 4: Simplify right side
    1,038,605.40x = 512,044,568,373.96
  5. Step 5: Solve for x
    x = 512,044,568,373.96/1,038,605.40
  6. Step 6: Final answer
    x = 493,011.66

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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.