Home / 755,038.95-1,041,953.93-415,507.20

Finding the Fourth Proportional to 755,038.95, 1,041,953.93 and 415,507.20

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Solution

The fourth proportional to 755,038.95, 1,041,953.93 and 415,507.20 is: 573,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,038.95 : 1,041,953.93 = 415,507.20 : x
  2. Step 2: Convert to fraction form
    755,038.95/1,041,953.93 = 415,507.20/x
  3. Step 3: Cross multiply
    755,038.95x = 1,041,953.93 × 415,507.20
  4. Step 4: Simplify right side
    755,038.95x = 432,939,359,983.30
  5. Step 5: Solve for x
    x = 432,939,359,983.30/755,038.95
  6. Step 6: Final answer
    x = 573,400.03

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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.