Home / 905,670.52-1,249,838.28-497,810.08

Finding the Fourth Proportional to 905,670.52, 1,249,838.28 and 497,810.08

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Solution

The fourth proportional to 905,670.52, 1,249,838.28 and 497,810.08 is: 686,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,670.52 : 1,249,838.28 = 497,810.08 : x
  2. Step 2: Convert to fraction form
    905,670.52/1,249,838.28 = 497,810.08/x
  3. Step 3: Cross multiply
    905,670.52x = 1,249,838.28 × 497,810.08
  4. Step 4: Simplify right side
    905,670.52x = 622,182,094,153.86
  5. Step 5: Solve for x
    x = 622,182,094,153.86/905,670.52
  6. Step 6: Final answer
    x = 686,985.04

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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.