Home / 1,038,306.90-1,432,866.77-579,440.90

Finding the Fourth Proportional to 1,038,306.90, 1,432,866.77 and 579,440.90

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Solution

The fourth proportional to 1,038,306.90, 1,432,866.77 and 579,440.90 is: 799,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,306.90 : 1,432,866.77 = 579,440.90 : x
  2. Step 2: Convert to fraction form
    1,038,306.90/1,432,866.77 = 579,440.90/x
  3. Step 3: Cross multiply
    1,038,306.90x = 1,432,866.77 × 579,440.90
  4. Step 4: Simplify right side
    1,038,306.90x = 830,261,600,727.36
  5. Step 5: Solve for x
    x = 830,261,600,727.36/1,038,306.90
  6. Step 6: Final answer
    x = 799,630.24

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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.