Home / 912,873.48-1,259,655.64-525,814.80

Finding the Fourth Proportional to 912,873.48, 1,259,655.64 and 525,814.80

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Solution

The fourth proportional to 912,873.48, 1,259,655.64 and 525,814.80 is: 725,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,873.48 : 1,259,655.64 = 525,814.80 : x
  2. Step 2: Convert to fraction form
    912,873.48/1,259,655.64 = 525,814.80/x
  3. Step 3: Cross multiply
    912,873.48x = 1,259,655.64 × 525,814.80
  4. Step 4: Simplify right side
    912,873.48x = 662,345,578,415.47
  5. Step 5: Solve for x
    x = 662,345,578,415.47/912,873.48
  6. Step 6: Final answer
    x = 725,561.20

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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.