Home / 688,030.95-949,514.18-382,108.71

Finding the Fourth Proportional to 688,030.95, 949,514.18 and 382,108.71

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Solution

The fourth proportional to 688,030.95, 949,514.18 and 382,108.71 is: 527,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,030.95 : 949,514.18 = 382,108.71 : x
  2. Step 2: Convert to fraction form
    688,030.95/949,514.18 = 382,108.71/x
  3. Step 3: Cross multiply
    688,030.95x = 949,514.18 × 382,108.71
  4. Step 4: Simplify right side
    688,030.95x = 362,817,636,535.96
  5. Step 5: Solve for x
    x = 362,817,636,535.96/688,030.95
  6. Step 6: Final answer
    x = 527,327.49

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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.