Home / 583,541.40-875,312.10-558,658.20

Finding the Fourth Proportional to 583,541.40, 875,312.10 and 558,658.20

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Solution

The fourth proportional to 583,541.40, 875,312.10 and 558,658.20 is: 837,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,541.40 : 875,312.10 = 558,658.20 : x
  2. Step 2: Convert to fraction form
    583,541.40/875,312.10 = 558,658.20/x
  3. Step 3: Cross multiply
    583,541.40x = 875,312.10 × 558,658.20
  4. Step 4: Simplify right side
    583,541.40x = 489,000,282,224.22
  5. Step 5: Solve for x
    x = 489,000,282,224.22/583,541.40
  6. Step 6: Final answer
    x = 837,987.30

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Half scale
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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.