Home / 876,210.90-1,209,171.15-473,802.90

Finding the Fourth Proportional to 876,210.90, 1,209,171.15 and 473,802.90

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Solution

The fourth proportional to 876,210.90, 1,209,171.15 and 473,802.90 is: 653,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,210.90 : 1,209,171.15 = 473,802.90 : x
  2. Step 2: Convert to fraction form
    876,210.90/1,209,171.15 = 473,802.90/x
  3. Step 3: Cross multiply
    876,210.90x = 1,209,171.15 × 473,802.90
  4. Step 4: Simplify right side
    876,210.90x = 572,908,797,466.34
  5. Step 5: Solve for x
    x = 572,908,797,466.34/876,210.90
  6. Step 6: Final answer
    x = 653,848.06

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Double scale
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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.