Home / 1,333,025.40-1,999,829.70-434,314.20

Finding the Fourth Proportional to 1,333,025.40, 1,999,829.70 and 434,314.20

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Solution

The fourth proportional to 1,333,025.40, 1,999,829.70 and 434,314.20 is: 651,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,025.40 : 1,999,829.70 = 434,314.20 : x
  2. Step 2: Convert to fraction form
    1,333,025.40/1,999,829.70 = 434,314.20/x
  3. Step 3: Cross multiply
    1,333,025.40x = 1,999,829.70 × 434,314.20
  4. Step 4: Simplify right side
    1,333,025.40x = 868,554,436,291.74
  5. Step 5: Solve for x
    x = 868,554,436,291.74/1,333,025.40
  6. Step 6: Final answer
    x = 651,566.31

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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.