Home / 1,249,399.80-1,724,169.60-676,440

Finding the Fourth Proportional to 1,249,399.80, 1,724,169.60 and 676,440

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Solution

The fourth proportional to 1,249,399.80, 1,724,169.60 and 676,440 is: 933,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,399.80 : 1,724,169.60 = 676,440 : x
  2. Step 2: Convert to fraction form
    1,249,399.80/1,724,169.60 = 676,440/x
  3. Step 3: Cross multiply
    1,249,399.80x = 1,724,169.60 × 676,440
  4. Step 4: Simplify right side
    1,249,399.80x = 1,166,297,284,224
  5. Step 5: Solve for x
    x = 1,166,297,284,224/1,249,399.80
  6. Step 6: Final answer
    x = 933,486.05

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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.