Home / 1,018,154.21-1,403,901.36-650,147.45

Finding the Fourth Proportional to 1,018,154.21, 1,403,901.36 and 650,147.45

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Solution

The fourth proportional to 1,018,154.21, 1,403,901.36 and 650,147.45 is: 896,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,154.21 : 1,403,901.36 = 650,147.45 : x
  2. Step 2: Convert to fraction form
    1,018,154.21/1,403,901.36 = 650,147.45/x
  3. Step 3: Cross multiply
    1,018,154.21x = 1,403,901.36 × 650,147.45
  4. Step 4: Simplify right side
    1,018,154.21x = 912,742,882,236.03
  5. Step 5: Solve for x
    x = 912,742,882,236.03/1,018,154.21
  6. Step 6: Final answer
    x = 896,468.21

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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.