Home / 905,333.84-1,249,421.64-523,457.36

Finding the Fourth Proportional to 905,333.84, 1,249,421.64 and 523,457.36

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Solution

The fourth proportional to 905,333.84, 1,249,421.64 and 523,457.36 is: 722,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,333.84 : 1,249,421.64 = 523,457.36 : x
  2. Step 2: Convert to fraction form
    905,333.84/1,249,421.64 = 523,457.36/x
  3. Step 3: Cross multiply
    905,333.84x = 1,249,421.64 × 523,457.36
  4. Step 4: Simplify right side
    905,333.84x = 654,018,953,201.27
  5. Step 5: Solve for x
    x = 654,018,953,201.27/905,333.84
  6. Step 6: Final answer
    x = 722,406.39

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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.