Home / 1,075,439.60-1,613,742.60-444,417.20

Finding the Fourth Proportional to 1,075,439.60, 1,613,742.60 and 444,417.20

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Solution

The fourth proportional to 1,075,439.60, 1,613,742.60 and 444,417.20 is: 666,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,439.60 : 1,613,742.60 = 444,417.20 : x
  2. Step 2: Convert to fraction form
    1,075,439.60/1,613,742.60 = 444,417.20/x
  3. Step 3: Cross multiply
    1,075,439.60x = 1,613,742.60 × 444,417.20
  4. Step 4: Simplify right side
    1,075,439.60x = 717,174,967,812.72
  5. Step 5: Solve for x
    x = 717,174,967,812.72/1,075,439.60
  6. Step 6: Final answer
    x = 666,866.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.