Home / 909,203.04-1,254,186.45-569,080.80

Finding the Fourth Proportional to 909,203.04, 1,254,186.45 and 569,080.80

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Solution

The fourth proportional to 909,203.04, 1,254,186.45 and 569,080.80 is: 785,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,203.04 : 1,254,186.45 = 569,080.80 : x
  2. Step 2: Convert to fraction form
    909,203.04/1,254,186.45 = 569,080.80/x
  3. Step 3: Cross multiply
    909,203.04x = 1,254,186.45 × 569,080.80
  4. Step 4: Simplify right side
    909,203.04x = 713,733,428,315.16
  5. Step 5: Solve for x
    x = 713,733,428,315.16/909,203.04
  6. Step 6: Final answer
    x = 785,009.94

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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.