Home / 773,138.02-1,066,988.90-429,039.08

Finding the Fourth Proportional to 773,138.02, 1,066,988.90 and 429,039.08

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Solution

The fourth proportional to 773,138.02, 1,066,988.90 and 429,039.08 is: 592,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,138.02 : 1,066,988.90 = 429,039.08 : x
  2. Step 2: Convert to fraction form
    773,138.02/1,066,988.90 = 429,039.08/x
  3. Step 3: Cross multiply
    773,138.02x = 1,066,988.90 × 429,039.08
  4. Step 4: Simplify right side
    773,138.02x = 457,779,936,026.21
  5. Step 5: Solve for x
    x = 457,779,936,026.21/773,138.02
  6. Step 6: Final answer
    x = 592,106.36

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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.