Home / 623,182.16-860,700.76-418,878.38

Finding the Fourth Proportional to 623,182.16, 860,700.76 and 418,878.38

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Solution

The fourth proportional to 623,182.16, 860,700.76 and 418,878.38 is: 578,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,182.16 : 860,700.76 = 418,878.38 : x
  2. Step 2: Convert to fraction form
    623,182.16/860,700.76 = 418,878.38/x
  3. Step 3: Cross multiply
    623,182.16x = 860,700.76 × 418,878.38
  4. Step 4: Simplify right side
    623,182.16x = 360,528,941,118.13
  5. Step 5: Solve for x
    x = 360,528,941,118.13/623,182.16
  6. Step 6: Final answer
    x = 578,528.98

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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.