Home / 1,019,256.39-1,406,574.69-560,378.76

Finding the Fourth Proportional to 1,019,256.39, 1,406,574.69 and 560,378.76

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Solution

The fourth proportional to 1,019,256.39, 1,406,574.69 and 560,378.76 is: 773,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,256.39 : 1,406,574.69 = 560,378.76 : x
  2. Step 2: Convert to fraction form
    1,019,256.39/1,406,574.69 = 560,378.76/x
  3. Step 3: Cross multiply
    1,019,256.39x = 1,406,574.69 × 560,378.76
  4. Step 4: Simplify right side
    1,019,256.39x = 788,214,580,629.58
  5. Step 5: Solve for x
    x = 788,214,580,629.58/1,019,256.39
  6. Step 6: Final answer
    x = 773,323.17

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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.