Home / 1,333,065.81-1,999,806.09-434,298.33

Finding the Fourth Proportional to 1,333,065.81, 1,999,806.09 and 434,298.33

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Solution

The fourth proportional to 1,333,065.81, 1,999,806.09 and 434,298.33 is: 651,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,065.81 : 1,999,806.09 = 434,298.33 : x
  2. Step 2: Convert to fraction form
    1,333,065.81/1,999,806.09 = 434,298.33/x
  3. Step 3: Cross multiply
    1,333,065.81x = 1,999,806.09 × 434,298.33
  4. Step 4: Simplify right side
    1,333,065.81x = 868,512,445,210.83
  5. Step 5: Solve for x
    x = 868,512,445,210.83/1,333,065.81
  6. Step 6: Final answer
    x = 651,515.06

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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.