Home / 953,872.80-1,430,809.20-288,938.40

Finding the Fourth Proportional to 953,872.80, 1,430,809.20 and 288,938.40

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Solution

The fourth proportional to 953,872.80, 1,430,809.20 and 288,938.40 is: 433,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,872.80 : 1,430,809.20 = 288,938.40 : x
  2. Step 2: Convert to fraction form
    953,872.80/1,430,809.20 = 288,938.40/x
  3. Step 3: Cross multiply
    953,872.80x = 1,430,809.20 × 288,938.40
  4. Step 4: Simplify right side
    953,872.80x = 413,415,720,953.28
  5. Step 5: Solve for x
    x = 413,415,720,953.28/953,872.80
  6. Step 6: Final answer
    x = 433,407.60

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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.