Home / 1,035,444.47-1,428,570.86-605,420.15

Finding the Fourth Proportional to 1,035,444.47, 1,428,570.86 and 605,420.15

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Solution

The fourth proportional to 1,035,444.47, 1,428,570.86 and 605,420.15 is: 835,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,444.47 : 1,428,570.86 = 605,420.15 : x
  2. Step 2: Convert to fraction form
    1,035,444.47/1,428,570.86 = 605,420.15/x
  3. Step 3: Cross multiply
    1,035,444.47x = 1,428,570.86 × 605,420.15
  4. Step 4: Simplify right side
    1,035,444.47x = 864,885,574,176.87
  5. Step 5: Solve for x
    x = 864,885,574,176.87/1,035,444.47
  6. Step 6: Final answer
    x = 835,279.54

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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.