Home / 651,665.40-977,498.10-604,426.20

Finding the Fourth Proportional to 651,665.40, 977,498.10 and 604,426.20

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Solution

The fourth proportional to 651,665.40, 977,498.10 and 604,426.20 is: 906,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,665.40 : 977,498.10 = 604,426.20 : x
  2. Step 2: Convert to fraction form
    651,665.40/977,498.10 = 604,426.20/x
  3. Step 3: Cross multiply
    651,665.40x = 977,498.10 × 604,426.20
  4. Step 4: Simplify right side
    651,665.40x = 590,825,462,090.22
  5. Step 5: Solve for x
    x = 590,825,462,090.22/651,665.40
  6. Step 6: Final answer
    x = 906,639.30

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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.