Home / 1,111,514.76-1,533,870.26-628,069.50

Finding the Fourth Proportional to 1,111,514.76, 1,533,870.26 and 628,069.50

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Solution

The fourth proportional to 1,111,514.76, 1,533,870.26 and 628,069.50 is: 866,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,514.76 : 1,533,870.26 = 628,069.50 : x
  2. Step 2: Convert to fraction form
    1,111,514.76/1,533,870.26 = 628,069.50/x
  3. Step 3: Cross multiply
    1,111,514.76x = 1,533,870.26 × 628,069.50
  4. Step 4: Simplify right side
    1,111,514.76x = 963,377,127,263.07
  5. Step 5: Solve for x
    x = 963,377,127,263.07/1,111,514.76
  6. Step 6: Final answer
    x = 866,724.55

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Double scale
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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.