Home / 1,111,497.12-1,533,851.64-628,030.80

Finding the Fourth Proportional to 1,111,497.12, 1,533,851.64 and 628,030.80

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Solution

The fourth proportional to 1,111,497.12, 1,533,851.64 and 628,030.80 is: 866,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,497.12 : 1,533,851.64 = 628,030.80 : x
  2. Step 2: Convert to fraction form
    1,111,497.12/1,533,851.64 = 628,030.80/x
  3. Step 3: Cross multiply
    1,111,497.12x = 1,533,851.64 × 628,030.80
  4. Step 4: Simplify right side
    1,111,497.12x = 963,306,072,550.51
  5. Step 5: Solve for x
    x = 963,306,072,550.51/1,111,497.12
  6. Step 6: Final answer
    x = 866,674.38

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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.