Home / 623,864.70-931,284.14-548,196.90

Finding the Fourth Proportional to 623,864.70, 931,284.14 and 548,196.90

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Solution

The fourth proportional to 623,864.70, 931,284.14 and 548,196.90 is: 818,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,864.70 : 931,284.14 = 548,196.90 : x
  2. Step 2: Convert to fraction form
    623,864.70/931,284.14 = 548,196.90/x
  3. Step 3: Cross multiply
    623,864.70x = 931,284.14 × 548,196.90
  4. Step 4: Simplify right side
    623,864.70x = 510,527,075,826.18
  5. Step 5: Solve for x
    x = 510,527,075,826.18/623,864.70
  6. Step 6: Final answer
    x = 818,329.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.