Home / 885,669.86-1,222,189.13-523,210.11

Finding the Fourth Proportional to 885,669.86, 1,222,189.13 and 523,210.11

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Solution

The fourth proportional to 885,669.86, 1,222,189.13 and 523,210.11 is: 722,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,669.86 : 1,222,189.13 = 523,210.11 : x
  2. Step 2: Convert to fraction form
    885,669.86/1,222,189.13 = 523,210.11/x
  3. Step 3: Cross multiply
    885,669.86x = 1,222,189.13 × 523,210.11
  4. Step 4: Simplify right side
    885,669.86x = 639,461,710,456.13
  5. Step 5: Solve for x
    x = 639,461,710,456.13/885,669.86
  6. Step 6: Final answer
    x = 722,009.12

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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.