Home / 975,571.81-1,346,254.76-539,990.01

Finding the Fourth Proportional to 975,571.81, 1,346,254.76 and 539,990.01

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Solution

The fourth proportional to 975,571.81, 1,346,254.76 and 539,990.01 is: 745,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,571.81 : 1,346,254.76 = 539,990.01 : x
  2. Step 2: Convert to fraction form
    975,571.81/1,346,254.76 = 539,990.01/x
  3. Step 3: Cross multiply
    975,571.81x = 1,346,254.76 × 539,990.01
  4. Step 4: Simplify right side
    975,571.81x = 726,964,122,664.92
  5. Step 5: Solve for x
    x = 726,964,122,664.92/975,571.81
  6. Step 6: Final answer
    x = 745,167.21

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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.