Home / 829,484.95-1,144,875.84-542,838.91

Finding the Fourth Proportional to 829,484.95, 1,144,875.84 and 542,838.91

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Solution

The fourth proportional to 829,484.95, 1,144,875.84 and 542,838.91 is: 749,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,484.95 : 1,144,875.84 = 542,838.91 : x
  2. Step 2: Convert to fraction form
    829,484.95/1,144,875.84 = 542,838.91/x
  3. Step 3: Cross multiply
    829,484.95x = 1,144,875.84 × 542,838.91
  4. Step 4: Simplify right side
    829,484.95x = 621,483,153,070.94
  5. Step 5: Solve for x
    x = 621,483,153,070.94/829,484.95
  6. Step 6: Final answer
    x = 749,239.82

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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.