Home / 419,199.75-578,641.46-249,430.23

Finding the Fourth Proportional to 419,199.75, 578,641.46 and 249,430.23

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Solution

The fourth proportional to 419,199.75, 578,641.46 and 249,430.23 is: 344,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,199.75 : 578,641.46 = 249,430.23 : x
  2. Step 2: Convert to fraction form
    419,199.75/578,641.46 = 249,430.23/x
  3. Step 3: Cross multiply
    419,199.75x = 578,641.46 × 249,430.23
  4. Step 4: Simplify right side
    419,199.75x = 144,330,671,208.19
  5. Step 5: Solve for x
    x = 144,330,671,208.19/419,199.75
  6. Step 6: Final answer
    x = 344,300.47

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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.