Home / 832,969.60-1,249,454.40-413,065.60

Finding the Fourth Proportional to 832,969.60, 1,249,454.40 and 413,065.60

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Solution

The fourth proportional to 832,969.60, 1,249,454.40 and 413,065.60 is: 619,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,969.60 : 1,249,454.40 = 413,065.60 : x
  2. Step 2: Convert to fraction form
    832,969.60/1,249,454.40 = 413,065.60/x
  3. Step 3: Cross multiply
    832,969.60x = 1,249,454.40 × 413,065.60
  4. Step 4: Simplify right side
    832,969.60x = 516,106,631,408.64
  5. Step 5: Solve for x
    x = 516,106,631,408.64/832,969.60
  6. Step 6: Final answer
    x = 619,598.40

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Double scale
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Similar ratio
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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.