Home / 558,045.70-837,068.55-369,088.90

Finding the Fourth Proportional to 558,045.70, 837,068.55 and 369,088.90

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Solution

The fourth proportional to 558,045.70, 837,068.55 and 369,088.90 is: 553,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,045.70 : 837,068.55 = 369,088.90 : x
  2. Step 2: Convert to fraction form
    558,045.70/837,068.55 = 369,088.90/x
  3. Step 3: Cross multiply
    558,045.70x = 837,068.55 × 369,088.90
  4. Step 4: Simplify right side
    558,045.70x = 308,952,710,344.10
  5. Step 5: Solve for x
    x = 308,952,710,344.10/558,045.70
  6. Step 6: Final answer
    x = 553,633.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.