Home / 833,905.90-1,151,355.05-528,253.52

Finding the Fourth Proportional to 833,905.90, 1,151,355.05 and 528,253.52

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Solution

The fourth proportional to 833,905.90, 1,151,355.05 and 528,253.52 is: 729,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,905.90 : 1,151,355.05 = 528,253.52 : x
  2. Step 2: Convert to fraction form
    833,905.90/1,151,355.05 = 528,253.52/x
  3. Step 3: Cross multiply
    833,905.90x = 1,151,355.05 × 528,253.52
  4. Step 4: Simplify right side
    833,905.90x = 608,207,349,534.23
  5. Step 5: Solve for x
    x = 608,207,349,534.23/833,905.90
  6. Step 6: Final answer
    x = 729,347.70

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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.