Home / 524,905.90-786,775.65-288,418.30

Finding the Fourth Proportional to 524,905.90, 786,775.65 and 288,418.30

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Solution

The fourth proportional to 524,905.90, 786,775.65 and 288,418.30 is: 432,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,905.90 : 786,775.65 = 288,418.30 : x
  2. Step 2: Convert to fraction form
    524,905.90/786,775.65 = 288,418.30/x
  3. Step 3: Cross multiply
    524,905.90x = 786,775.65 × 288,418.30
  4. Step 4: Simplify right side
    524,905.90x = 226,920,495,454.40
  5. Step 5: Solve for x
    x = 226,920,495,454.40/524,905.90
  6. Step 6: Final answer
    x = 432,307.00

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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.